******************************************************************************** conan test conan-center-index/recipes/opentracing-cpp/all/test_package/conanfile.py opentracing-cpp/1.6.0@ --profile=/home/conan/w/BuildSingleReference/9222/9d678d01-97b0-44f2-b3ca-8b3bef33faf1/profile.txt ******************************************************************************** Configuration: [settings] arch=x86_64 arch_build=x86_64 build_type=Debug compiler=gcc compiler.libcxx=libstdc++ compiler.version=5 os=Linux os_build=Linux [options] opentracing-cpp:shared=False [build_requires] [env] opentracing-cpp/1.6.0 (test package): Installing package Requirements opentracing-cpp/1.6.0 from local cache - Cache Packages opentracing-cpp/1.6.0:2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69 - Cache Installing (downloading, building) binaries... opentracing-cpp/1.6.0: Already installed! [HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK opentracing-cpp/1.6.0 (test package): Generator cmake_find_package_multi created OpenTracingConfigVersion.cmake opentracing-cpp/1.6.0 (test package): Generator cmake_find_package_multi created OpenTracingTarget-debug.cmake opentracing-cpp/1.6.0 (test package): Generator cmake_find_package_multi created OpenTracingTargets.cmake opentracing-cpp/1.6.0 (test package): Generator cmake_find_package_multi created OpenTracingConfig.cmake opentracing-cpp/1.6.0 (test package): Generator cmake created conanbuildinfo.cmake opentracing-cpp/1.6.0 (test package): Generator txt created conanbuildinfo.txt opentracing-cpp/1.6.0 (test package): Generated conaninfo.txt opentracing-cpp/1.6.0 (test package): Generated graphinfo Using lockfile: '/home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/build/309e264953a464bceb961524d9b73b28bd50e489/conan.lock' Using cached profile from lockfile [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK opentracing-cpp/1.6.0 (test package): Calling build() ----Running------ > cd '/home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/build/309e264953a464bceb961524d9b73b28bd50e489' && cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE="Debug" -DCONAN_IN_LOCAL_CACHE="OFF" -DCONAN_COMPILER="gcc" -DCONAN_COMPILER_VERSION="5" -DCONAN_CXX_FLAGS="-m64" -DCONAN_SHARED_LINKER_FLAGS="-m64" -DCONAN_C_FLAGS="-m64" -DCONAN_LIBCXX="libstdc++" -DCMAKE_INSTALL_PREFIX="/home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/build/309e264953a464bceb961524d9b73b28bd50e489/package" -DCMAKE_INSTALL_BINDIR="bin" -DCMAKE_INSTALL_SBINDIR="bin" -DCMAKE_INSTALL_LIBEXECDIR="bin" -DCMAKE_INSTALL_LIBDIR="lib" -DCMAKE_INSTALL_INCLUDEDIR="include" -DCMAKE_INSTALL_OLDINCLUDEDIR="include" -DCMAKE_INSTALL_DATAROOTDIR="share" -DCMAKE_PREFIX_PATH="/home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/build/309e264953a464bceb961524d9b73b28bd50e489" -DCMAKE_MODULE_PATH="/home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/build/309e264953a464bceb961524d9b73b28bd50e489" -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY="ON" -DCONAN_EXPORTED="1" -Wno-dev '/home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package' ----------------- -- The CXX compiler identification is GNU 5.4.0 -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Check for working CXX compiler: /usr/bin/g++ - skipped -- Detecting CXX compile features -- Detecting CXX compile features - done -- Conan: called by CMake conan helper -- Conan: Adjusting output directories -- Conan: Using cmake targets configuration -- Library opentracing-static not found in package, might be system one -- Conan: Adjusting default RPATHs Conan policies -- Conan: Adjusting language standard -- Conan: Compiler GCC>=5, checking major version 5 -- Conan: Checking correct version: 5 -- Conan: C++ stdlib: libstdc++ -- Library opentracing-static not found in package, might be system one -- Library opentracing-static not found in package, might be system one -- Configuring done -- Generating done -- Build files have been written to: /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/build/309e264953a464bceb961524d9b73b28bd50e489 ----Running------ > cmake --build '/home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/build/309e264953a464bceb961524d9b73b28bd50e489' '--' '-j3' ----------------- Scanning dependencies of target test_package [ 50%] Building CXX object CMakeFiles/test_package.dir/test_package.cpp.o CMakeFiles/test_package.dir/build.make:81: recipe for target 'CMakeFiles/test_package.dir/test_package.cpp.o' failed CMakeFiles/Makefile2:94: recipe for target 'CMakeFiles/test_package.dir/all' failed Makefile:102: recipe for target 'all' failed CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY CMAKE_INSTALL_BINDIR CMAKE_INSTALL_DATAROOTDIR CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBDIR CMAKE_INSTALL_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR In file included from /usr/include/c++/5/chrono:35:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /usr/include/c++/5/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support must be enabled with the -std=c++11 or -std=gnu++11 compiler options. #error This file requires compiler and library support \ ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:4:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:55:15: error: expected ‘;’ at end of member declaration string_view() noexcept : data_(nullptr), length_(0) {} ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:55:17: error: ‘noexcept’ does not name a type string_view() noexcept : data_(nullptr), length_(0) {} ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:55:17: note: C++11 ‘noexcept’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:58:30: error: expected ‘;’ at end of member declaration string_view(const char* str) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:58:32: error: ‘noexcept’ does not name a type string_view(const char* str) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:58:32: note: C++11 ‘noexcept’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:62:49: error: expected ‘;’ at end of member declaration string_view(const std::basic_string& str) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:62:51: error: ‘noexcept’ does not name a type string_view(const std::basic_string& str) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:62:51: note: C++11 ‘noexcept’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:66:42: error: expected ‘;’ at end of member declaration string_view(const char* str, size_t len) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:66:44: error: ‘noexcept’ does not name a type string_view(const char* str, size_t len) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:66:44: note: C++11 ‘noexcept’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:73:22: error: expected ‘;’ at end of member declaration const char* data() const noexcept { return data_; } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:73:28: error: ‘noexcept’ does not name a type const char* data() const noexcept { return data_; } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:73:28: note: C++11 ‘noexcept’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:76:16: error: expected ‘;’ at end of member declaration bool empty() const noexcept { return length_ == 0; } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:76:22: error: ‘noexcept’ does not name a type bool empty() const noexcept { return length_ == 0; } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:76:22: note: C++11 ‘noexcept’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:79:19: error: expected ‘;’ at end of member declaration size_t length() const noexcept { return length_; } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:79:25: error: ‘noexcept’ does not name a type size_t length() const noexcept { return length_; } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:79:25: note: C++11 ‘noexcept’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:80:17: error: expected ‘;’ at end of member declaration size_t size() const noexcept { return length_; } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:80:23: error: ‘noexcept’ does not name a type size_t size() const noexcept { return length_; } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:80:23: note: C++11 ‘noexcept’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:83:23: error: expected ‘;’ at end of member declaration const char* begin() const noexcept { return data(); } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:83:29: error: ‘noexcept’ does not name a type const char* begin() const noexcept { return data(); } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:83:29: note: C++11 ‘noexcept’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:86:21: error: expected ‘;’ at end of member declaration const char* end() const noexcept { return data() + length(); } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:86:27: error: ‘noexcept’ does not name a type const char* end() const noexcept { return data() + length(); } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:86:27: note: C++11 ‘noexcept’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:96:58: error: expected initializer before ‘noexcept’ inline bool operator==(string_view lhs, string_view rhs) noexcept { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:101:65: error: expected initializer before ‘noexcept’ inline bool operator==(string_view lhs, const std::string& rhs) noexcept { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:105:65: error: expected initializer before ‘noexcept’ inline bool operator==(const std::string& lhs, string_view rhs) noexcept { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:109:58: error: expected initializer before ‘noexcept’ inline bool operator==(string_view lhs, const char* rhs) noexcept { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:113:58: error: expected initializer before ‘noexcept’ inline bool operator==(const char* lhs, string_view rhs) noexcept { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:117:58: error: expected initializer before ‘noexcept’ inline bool operator!=(string_view lhs, string_view rhs) noexcept { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:121:65: error: expected initializer before ‘noexcept’ inline bool operator!=(string_view lhs, const std::string& rhs) noexcept { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:125:65: error: expected initializer before ‘noexcept’ inline bool operator!=(const std::string& lhs, string_view rhs) noexcept { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:129:58: error: expected initializer before ‘noexcept’ inline bool operator!=(string_view lhs, const char* rhs) noexcept { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/string_view.h:133:58: error: expected initializer before ‘noexcept’ inline bool operator!=(const char* lhs, string_view rhs) noexcept { ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:80:38: error: expected ‘,’ or ‘...’ before ‘&&’ token void construct_value( value_type && v ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:95:38: error: expected ‘,’ or ‘...’ before ‘&&’ token void construct_error( error_type && e ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:105:5: error: ‘constexpr’ does not name a type constexpr value_type const & value() const & ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:105:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:110:24: error: expected ‘;’ at end of member declaration value_type & value() & ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:111:5: error: expected unqualified-id before ‘{’ token { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:113:5: error: expected ‘;’ at end of member declaration } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:115:5: error: ‘constexpr’ does not name a type constexpr value_type && value() const && ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:115:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘void opentracing::v3::expected_detail::storage_t::construct_value(opentracing::v3::expected_detail::storage_t::value_type)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:82:37: error: ‘forward’ is not a member of ‘std’ new( &m_value ) value_type( std::forward( v ) ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:82:51: error: expected primary-expression before ‘>’ token new( &m_value ) value_type( std::forward( v ) ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:82:54: error: ‘v’ was not declared in this scope new( &m_value ) value_type( std::forward( v ) ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘void opentracing::v3::expected_detail::storage_t::construct_error(opentracing::v3::expected_detail::storage_t::error_type)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:97:37: error: ‘move’ is not a member of ‘std’ new( &m_error ) error_type( std::move( e ) ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:97:48: error: ‘e’ was not declared in this scope new( &m_error ) error_type( std::move( e ) ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: At global scope: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:165:38: error: expected ‘,’ or ‘...’ before ‘&&’ token void construct_error( error_type && e ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘void opentracing::v3::expected_detail::storage_t::construct_error(opentracing::v3::expected_detail::storage_t::error_type)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:167:37: error: ‘move’ is not a member of ‘std’ new( &m_error ) error_type( std::move( e ) ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:167:48: error: ‘e’ was not declared in this scope new( &m_error ) error_type( std::move( e ) ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: At global scope: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:193:29: error: ‘error_code’ in namespace ‘std’ does not name a type template< typename E = std::error_code > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:201:5: error: ‘is_copy_constructible’ is not a member of ‘std’ nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:201:5: error: expected primary-expression before ‘>’ token nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:201:5: error: ‘::value’ has not been declared nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:201:5: error: ‘enable_if’ in namespace ‘std’ does not name a template type nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:201:5: error: expected ‘>’ before ‘<’ token nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:204:5: error: ‘constexpr’ does not name a type constexpr explicit unexpected_type( error_type const & error ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:204:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:208:5: error: ‘is_move_constructible’ is not a member of ‘std’ nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:208:5: error: expected primary-expression before ‘>’ token nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:208:5: error: ‘::value’ has not been declared nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:208:5: error: ‘enable_if’ in namespace ‘std’ does not name a template type nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:208:5: error: expected ‘>’ before ‘<’ token nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:211:5: error: ‘constexpr’ does not name a type constexpr explicit unexpected_type( error_type && error ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:211:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:215:5: error: ‘constexpr’ does not name a type constexpr error_type const & value() const ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:215:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:232:24: error: ‘exception_ptr’ is not a member of ‘std’ class unexpected_type< std::exception_ptr > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:232:24: error: ‘exception_ptr’ is not a member of ‘std’ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:232:43: error: template argument 1 is invalid class unexpected_type< std::exception_ptr > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:271:1: error: ‘constexpr’ does not name a type constexpr bool operator==( unexpected_type const & x, unexpected_type const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:271:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:277:1: error: ‘constexpr’ does not name a type constexpr bool operator!=( unexpected_type const & x, unexpected_type const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:277:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:283:1: error: ‘constexpr’ does not name a type constexpr bool operator<( unexpected_type const & x, unexpected_type const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:283:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:289:1: error: ‘constexpr’ does not name a type constexpr bool operator>( unexpected_type const & x, unexpected_type const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:289:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:295:1: error: ‘constexpr’ does not name a type constexpr bool operator<=( unexpected_type const & x, unexpected_type const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:295:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:301:1: error: ‘constexpr’ does not name a type constexpr bool operator>=( unexpected_type const & x, unexpected_type const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:301:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:306:8: error: ‘constexpr’ does not name a type inline constexpr bool operator<( unexpected_type const & /*x*/, unexpected_type const & /*y*/ ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:306:8: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:311:8: error: ‘constexpr’ does not name a type inline constexpr bool operator>( unexpected_type const & /*x*/, unexpected_type const & /*y*/ ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:311:8: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:316:8: error: ‘constexpr’ does not name a type inline constexpr bool operator<=( unexpected_type const & x, unexpected_type const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:316:8: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:321:8: error: ‘constexpr’ does not name a type inline constexpr bool operator>=( unexpected_type const & x, unexpected_type const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:321:8: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:329:40: error: expected class-name before ‘{’ token struct is_unexpected : std::false_type {}; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:332:61: error: expected class-name before ‘{’ token struct is_unexpected< unexpected_type > : std::true_type {}; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:338:20: error: expected ‘,’ or ‘...’ before ‘&&’ token make_unexpected( E && v) -> unexpected_type< typename std::decay::type > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:338:60: error: ‘decay’ in namespace ‘std’ does not name a template type make_unexpected( E && v) -> unexpected_type< typename std::decay::type > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:338:65: error: expected template-argument before ‘<’ token make_unexpected( E && v) -> unexpected_type< typename std::decay::type > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:338:65: error: expected ‘>’ before ‘<’ token /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:338:75: error: template argument 1 is invalid make_unexpected( E && v) -> unexpected_type< typename std::decay::type > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:339:1: error: expected ‘::’ before ‘{’ token { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:339:1: error: expected identifier before ‘{’ token /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:339:1: error: top-level declaration of ‘make_unexpected’ specifies ‘auto’ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:339:1: error: trailing return type only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:344:62: error: ‘exception_ptr’ is not a member of ‘std’ make_unexpected_from_current_exception() -> unexpected_type< std::exception_ptr > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:344:62: error: ‘exception_ptr’ is not a member of ‘std’ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:344:81: error: template argument 1 is invalid make_unexpected_from_current_exception() -> unexpected_type< std::exception_ptr > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:344:45: error: top-level declaration of ‘make_unexpected_from_current_exception’ specifies ‘auto’ make_unexpected_from_current_exception() -> unexpected_type< std::exception_ptr > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:344:45: error: trailing return type only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:353:1: error: ‘constexpr’ does not name a type constexpr in_place_t in_place{}; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:353:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:359:1: error: ‘constexpr’ does not name a type constexpr in_place_unexpected_t unexpect{}; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:359:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:360:1: error: ‘constexpr’ does not name a type constexpr in_place_unexpected_t in_place_unexpected{}; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:360:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:375:5: error: ‘constexpr’ does not name a type constexpr error_type const & error() const ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:375:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:401:22: error: ‘exception_ptr’ is not a member of ‘std’ struct error_traits< std::exception_ptr > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:401:22: error: ‘exception_ptr’ is not a member of ‘std’ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:401:41: error: template argument 1 is invalid struct error_traits< std::exception_ptr > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:410:22: error: ‘error_code’ is not a member of ‘std’ struct error_traits< std::error_code > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:410:22: error: ‘error_code’ is not a member of ‘std’ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:410:38: error: template argument 1 is invalid struct error_traits< std::error_code > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:420:41: error: ‘error_code’ in namespace ‘std’ does not name a type template< typename T, typename E = std::error_code > ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:429:5: error: ‘is_default_constructible’ is not a member of ‘std’ nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:429:5: error: expected primary-expression before ‘>’ token nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:429:5: error: ‘::value’ has not been declared nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:429:5: error: ‘enable_if’ in namespace ‘std’ does not name a template type nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:429:5: error: expected ‘>’ before ‘<’ token nsel_REQUIRES_0( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:432:33: error: expected initializer before ‘noexcept’ nsel_constexpr14 expected() noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:456:41: error: expected ‘,’ or ‘...’ before ‘&&’ token nsel_constexpr14 expected( expected && rhs ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:456:48: error: invalid constructor; you probably meant ‘opentracing::v3::expected (const opentracing::v3::expected&)’ nsel_constexpr14 expected( expected && rhs ) ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:463:5: error: ‘is_copy_constructible’ is not a member of ‘std’ nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:463:5: error: expected primary-expression before ‘>’ token nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:463:5: error: ‘::value’ has not been declared nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:463:5: error: ‘enable_if’ in namespace ‘std’ does not name a template type nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:463:5: error: expected ‘>’ before ‘<’ token nsel_REQUIRES_0( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:466:55: error: no default argument for ‘’ nsel_constexpr14 expected( value_type const & rhs ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:466:55: error: default template arguments may not be used in function templates without -std=c++11 or -std=gnu++11 In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:472:5: error: ‘is_move_constructible’ is not a member of ‘std’ nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:472:5: error: expected primary-expression before ‘>’ token nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:472:5: error: ‘::value’ has not been declared nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:472:5: error: ‘enable_if’ in namespace ‘std’ does not name a template type nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:472:5: error: expected ‘>’ before ‘<’ token nsel_REQUIRES_0( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:475:43: error: expected ‘,’ or ‘...’ before ‘&&’ token nsel_constexpr14 expected( value_type && rhs ) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:475:52: error: expected initializer before ‘noexcept’ nsel_constexpr14 expected( value_type && rhs ) noexcept ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:485:33: error: ‘enable_if’ in namespace ‘std’ does not name a template type template ’ before ‘<’ token template ’ before ‘<’ token template< typename U, typename... Args, nsel_REQUIRES_T( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:497:58: error: ‘std::initializer_list’ has not been declared nsel_constexpr14 explicit expected( in_place_t, std::initializer_list il, Args&&... args ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:497:74: error: expected ‘,’ or ‘...’ before ‘<’ token nsel_constexpr14 explicit expected( in_place_t, std::initializer_list il, Args&&... args ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:497:97: error: default template arguments may not be used in function templates without -std=c++11 or -std=gnu++11 nsel_constexpr14 explicit expected( in_place_t, std::initializer_list il, Args&&... args ) ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:503:5: error: ‘is_copy_constructible’ is not a member of ‘std’ nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:503:5: error: expected primary-expression before ‘>’ token nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:503:5: error: ‘::value’ has not been declared nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:503:5: error: ‘enable_if’ in namespace ‘std’ does not name a template type nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:503:5: error: expected ‘>’ before ‘<’ token nsel_REQUIRES_0( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:506:65: error: no default argument for ‘’ nsel_constexpr14 expected( unexpected_type const & error ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:506:65: error: default template arguments may not be used in function templates without -std=c++11 or -std=gnu++11 In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:512:5: error: ‘is_move_constructible’ is not a member of ‘std’ nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:512:5: error: expected primary-expression before ‘>’ token nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:512:5: error: ‘::value’ has not been declared nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:512:5: error: ‘enable_if’ in namespace ‘std’ does not name a template type nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:512:5: error: expected ‘>’ before ‘<’ token nsel_REQUIRES_0( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:515:51: error: expected ‘,’ or ‘...’ before ‘&&’ token nsel_constexpr14 expected( unexpected_type && error ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:515:60: error: no default argument for ‘’ nsel_constexpr14 expected( unexpected_type && error ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:515:60: error: default template arguments may not be used in function templates without -std=c++11 or -std=gnu++11 In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:521:33: error: ‘enable_if’ in namespace ‘std’ does not name a template type template< typename... Args, nsel_REQUIRES_T( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:521:33: error: expected ‘>’ before ‘<’ token template< typename... Args, nsel_REQUIRES_T( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:524:68: error: expected ‘,’ or ‘...’ before ‘&&’ token nsel_constexpr14 explicit expected( in_place_unexpected_t, Args&&... args ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:524:79: error: default template arguments may not be used in function templates without -std=c++11 or -std=gnu++11 nsel_constexpr14 explicit expected( in_place_unexpected_t, Args&&... args ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:524:79: error: parameter packs not expanded with ‘...’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:524:79: note: ‘Args’ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:530:45: error: ‘enable_if’ in namespace ‘std’ does not name a template type template< typename U, typename... Args, nsel_REQUIRES_T( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:530:45: error: expected ‘>’ before ‘<’ token template< typename U, typename... Args, nsel_REQUIRES_T( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:533:69: error: ‘std::initializer_list’ has not been declared nsel_constexpr14 explicit expected( in_place_unexpected_t, std::initializer_list il, Args&&... args ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:533:85: error: expected ‘,’ or ‘...’ before ‘<’ token nsel_constexpr14 explicit expected( in_place_unexpected_t, std::initializer_list il, Args&&... args ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:533:108: error: default template arguments may not be used in function templates without -std=c++11 or -std=gnu++11 nsel_constexpr14 explicit expected( in_place_unexpected_t, std::initializer_list il, Args&&... args ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:567:36: error: expected ‘,’ or ‘...’ before ‘&&’ token expected & operator=( expected && rhs ) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:567:43: error: expected ‘;’ at end of member declaration expected & operator=( expected && rhs ) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:569:14: error: ‘std::is_nothrow_move_assignable’ has not been declared std::is_nothrow_move_assignable::value && ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:569:40: error: expected ‘,’ or ‘...’ before ‘<’ token std::is_nothrow_move_assignable::value && ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:578:27: error: ‘enable_if’ in namespace ‘std’ does not name a template type template< typename U, nsel_REQUIRES_T( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:578:27: error: expected ‘>’ before ‘<’ token template< typename U, nsel_REQUIRES_T( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:582:29: error: expected ‘,’ or ‘...’ before ‘&&’ token expected & operator=( U && v ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:582:34: error: default template arguments may not be used in function templates without -std=c++11 or -std=gnu++11 expected & operator=( U && v ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:602:46: error: expected ‘,’ or ‘...’ before ‘&&’ token expected & operator=( unexpected_type && u ) ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:608:33: error: ‘enable_if’ in namespace ‘std’ does not name a template type template< typename... Args, nsel_REQUIRES_T( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:608:33: error: expected ‘>’ before ‘<’ token template< typename... Args, nsel_REQUIRES_T( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:611:24: error: expected ‘,’ or ‘...’ before ‘&&’ token void emplace( Args &&... args ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:611:35: error: default template arguments may not be used in function templates without -std=c++11 or -std=gnu++11 void emplace( Args &&... args ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:611:35: error: parameter packs not expanded with ‘...’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:611:35: note: ‘Args’ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:616:45: error: ‘enable_if’ in namespace ‘std’ does not name a template type template< typename U, typename... Args, nsel_REQUIRES_T( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:616:45: error: expected ‘>’ before ‘<’ token template< typename U, typename... Args, nsel_REQUIRES_T( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:619:24: error: ‘std::initializer_list’ has not been declared void emplace( std::initializer_list il, Args &&... args ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:619:40: error: expected ‘,’ or ‘...’ before ‘<’ token void emplace( std::initializer_list il, Args &&... args ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:619:64: error: default template arguments may not be used in function templates without -std=c++11 or -std=gnu++11 void emplace( std::initializer_list il, Args &&... args ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:628:31: error: expected ‘;’ at end of member declaration void swap( expected & rhs ) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:630:14: error: ‘std::is_nothrow_move_constructible’ has not been declared std::is_nothrow_move_constructible::value && noexcept( std::swap( std::declval(), std::declval() ) ) && ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:630:43: error: expected ‘,’ or ‘...’ before ‘<’ token std::is_nothrow_move_constructible::value && noexcept( std::swap( std::declval(), std::declval() ) ) && ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:628:33: error: ‘int opentracing::v3::expected::noexcept(int)’ cannot be overloaded void swap( expected & rhs ) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:567:45: error: with ‘int opentracing::v3::expected::noexcept(int)’ expected & operator=( expected && rhs ) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:648:5: error: ‘constexpr’ does not name a type constexpr value_type const * operator ->() const ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:648:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:658:5: error: ‘constexpr’ does not name a type constexpr value_type const & operator *() const & ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:658:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:663:29: error: expected ‘;’ at end of member declaration value_type & operator *() & ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:664:5: error: expected unqualified-id before ‘{’ token { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:666:5: error: expected ‘;’ at end of member declaration } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:668:5: error: ‘constexpr’ does not name a type constexpr value_type && operator *() const && ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:668:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:673:16: error: expected unqualified-id before ‘&&’ token value_type && operator *() && ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:679:5: error: ‘constexpr’ does not name a type constexpr explicit operator bool() const noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:679:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:684:5: error: ‘constexpr’ does not name a type constexpr bool has_value() const noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:684:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:689:5: error: ‘constexpr’ does not name a type constexpr value_type const & value() const & ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:689:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:696:24: error: expected ‘;’ at end of member declaration value_type & value() & ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:697:5: error: expected unqualified-id before ‘{’ token { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:701:5: error: expected ‘;’ at end of member declaration } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:703:16: error: expected unqualified-id before ‘&&’ token value_type && value() && ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:710:5: error: ‘constexpr’ does not name a type constexpr error_type const & error() const & ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:710:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:715:24: error: expected ‘;’ at end of member declaration error_type & error() & ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:716:5: error: expected unqualified-id before ‘{’ token { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:718:5: error: expected ‘;’ at end of member declaration } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:720:5: error: ‘constexpr’ does not name a type constexpr error_type && error() const && ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:720:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:725:5: error: ‘constexpr’ does not name a type constexpr unexpected_type get_unexpected() const ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:725:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:736:27: error: ‘enable_if’ in namespace ‘std’ does not name a template type template< typename U, nsel_REQUIRES_T( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:736:27: error: expected ‘>’ before ‘<’ token template< typename U, nsel_REQUIRES_T( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:740:28: error: expected ‘,’ or ‘...’ before ‘&&’ token value_type value_or( U && v ) const & ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:740:41: error: expected initializer before ‘&’ token value_type value_or( U && v ) const & ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:747:27: error: ‘enable_if’ in namespace ‘std’ does not name a template type template< typename U, nsel_REQUIRES_T( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:747:27: error: expected ‘>’ before ‘<’ token template< typename U, nsel_REQUIRES_T( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:751:28: error: expected ‘,’ or ‘...’ before ‘&&’ token value_type value_or( U && v ) && ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:751:35: error: expected initializer before ‘&&’ token value_type value_or( U && v ) && ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In copy constructor ‘opentracing::v3::expected::expected(const opentracing::v3::expected&)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:448:24: error: there are no arguments to ‘has_value’ that depend on a template parameter, so a declaration of ‘has_value’ must be available [-fpermissive] if ( has_value() ) contained.construct_value( rhs.contained.value() ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:448:24: note: (if you use ‘-fpermissive’, G++ will accept your code, but allowing the use of an undeclared name is deprecated) /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In constructor ‘opentracing::v3::expected::expected(opentracing::v3::in_place_t, )’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:491:36: error: ‘forward’ is not a member of ‘std’ contained.construct_value( std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:491:53: error: expected primary-expression before ‘>’ token contained.construct_value( std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:491:56: error: ‘args’ was not declared in this scope contained.construct_value( std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In constructor ‘opentracing::v3::expected::expected(opentracing::v3::in_place_t, int)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:500:36: error: ‘il’ was not declared in this scope contained.construct_value( il, std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:500:40: error: ‘forward’ is not a member of ‘std’ contained.construct_value( il, std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:500:57: error: expected primary-expression before ‘>’ token contained.construct_value( il, std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:500:60: error: ‘args’ was not declared in this scope contained.construct_value( il, std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In constructor ‘opentracing::v3::expected::expected(opentracing::v3::unexpected_type)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:518:36: error: ‘move’ is not a member of ‘std’ contained.construct_error( std::move( error.value() ) ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In constructor ‘opentracing::v3::expected::expected(opentracing::v3::in_place_unexpected_t, )’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:527:36: error: ‘forward’ is not a member of ‘std’ contained.construct_error( std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:527:53: error: expected primary-expression before ‘>’ token contained.construct_error( std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:527:56: error: ‘args’ was not declared in this scope contained.construct_error( std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In constructor ‘opentracing::v3::expected::expected(opentracing::v3::in_place_unexpected_t, int)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:536:36: error: ‘il’ was not declared in this scope contained.construct_error( il, std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:536:40: error: ‘forward’ is not a member of ‘std’ contained.construct_error( il, std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:536:57: error: expected primary-expression before ‘>’ token contained.construct_error( il, std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:536:60: error: ‘args’ was not declared in this scope contained.construct_error( il, std::forward( args )... ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In destructor ‘opentracing::v3::expected::~expected()’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:543:24: error: there are no arguments to ‘has_value’ that depend on a template parameter, so a declaration of ‘has_value’ must be available [-fpermissive] if ( has_value() ) contained.destruct_value(); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘int opentracing::v3::expected::noexcept(int)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:574:19: error: ‘move’ is not a member of ‘std’ expected( std::move( rhs ) ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:574:30: error: ‘rhs’ was not declared in this scope expected( std::move( rhs ) ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘opentracing::v3::expected& opentracing::v3::expected::operator=(U)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:584:19: error: ‘forward’ is not a member of ‘std’ expected( std::forward( v ) ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:584:36: error: ‘v’ was not declared in this scope expected( std::forward( v ) ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:584:17: error: expected primary-expression before ‘(’ token expected( std::forward( v ) ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:584:19: error: ‘forward’ is not a member of ‘std’ expected( std::forward( v ) ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:584:33: error: expected primary-expression before ‘>’ token expected( std::forward( v ) ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘opentracing::v3::expected& opentracing::v3::expected::operator=(const opentracing::v3::unexpected_type&)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:594:19: error: ‘move’ is not a member of ‘std’ expected( std::move( u ) ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘opentracing::v3::expected& opentracing::v3::expected::operator=(opentracing::v3::unexpected_type)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:604:19: error: ‘move’ is not a member of ‘std’ expected( std::move( u ) ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:604:30: error: ‘u’ was not declared in this scope expected( std::move( u ) ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘void opentracing::v3::expected::emplace()’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:613:19: error: ‘in_place’ was not declared in this scope expected( in_place, std::forward(args)... ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:613:29: error: ‘forward’ is not a member of ‘std’ expected( in_place, std::forward(args)... ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:613:48: error: ‘args’ was not declared in this scope expected( in_place, std::forward(args)... ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:613:17: error: expected primary-expression before ‘(’ token expected( in_place, std::forward(args)... ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:613:29: error: ‘forward’ is not a member of ‘std’ expected( in_place, std::forward(args)... ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:613:46: error: expected primary-expression before ‘>’ token expected( in_place, std::forward(args)... ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘void opentracing::v3::expected::emplace(int)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:621:19: error: ‘in_place’ was not declared in this scope expected( in_place, il, std::forward(args)... ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:621:29: error: ‘il’ was not declared in this scope expected( in_place, il, std::forward(args)... ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:621:33: error: ‘forward’ is not a member of ‘std’ expected( in_place, il, std::forward(args)... ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:621:52: error: ‘args’ was not declared in this scope expected( in_place, il, std::forward(args)... ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:621:17: error: expected primary-expression before ‘(’ token expected( in_place, il, std::forward(args)... ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:621:33: error: ‘forward’ is not a member of ‘std’ expected( in_place, il, std::forward(args)... ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:621:50: error: expected primary-expression before ‘>’ token expected( in_place, il, std::forward(args)... ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘int opentracing::v3::expected::noexcept(int)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:635:43: error: ‘rhs’ was not declared in this scope if ( bool(*this) && bool(rhs) ) { swap( contained.value(), rhs.contained.value() ); } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:637:66: error: ‘move’ is not a member of ‘std’ else if ( bool(*this) && ! bool(rhs) ) { error_type t( std::move( rhs.error() ) ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:639:83: error: ‘move’ is not a member of ‘std’ rhs.contained.construct_value( std::move( contained.value() ) ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:641:79: error: ‘move’ is not a member of ‘std’ contained.construct_error( std::move( t ) ); ^ In file included from /usr/include/c++/5/cassert:43:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:14, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘opentracing::v3::expected::value_type* opentracing::v3::expected::operator->()’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:655:16: error: there are no arguments to ‘has_value’ that depend on a template parameter, so a declaration of ‘has_value’ must be available [-fpermissive] return assert( has_value() ), contained.value_ptr(); ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘bool opentracing::v3::expected::has_exception() const’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:733:28: error: there are no arguments to ‘has_value’ that depend on a template parameter, so a declaration of ‘has_value’ must be available [-fpermissive] return ! has_value() && std::is_base_of< Ex, decltype( get_unexpected().value() ) >::value; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:733:33: error: ‘is_base_of’ is not a member of ‘std’ return ! has_value() && std::is_base_of< Ex, decltype( get_unexpected().value() ) >::value; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:733:52: error: expected primary-expression before ‘,’ token return ! has_value() && std::is_base_of< Ex, decltype( get_unexpected().value() ) >::value; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:733:79: error: there are no arguments to ‘get_unexpected’ that depend on a template parameter, so a declaration of ‘get_unexpected’ must be available [-fpermissive] return ! has_value() && std::is_base_of< Ex, decltype( get_unexpected().value() ) >::value; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:733:92: error: ‘::value’ has not been declared return ! has_value() && std::is_base_of< Ex, decltype( get_unexpected().value() ) >::value; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: At global scope: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:811:5: error: ‘constexpr’ does not name a type constexpr expected() noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:811:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:825:5: error: ‘is_move_constructible’ is not a member of ‘std’ nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:825:5: error: expected primary-expression before ‘>’ token nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:825:5: error: ‘::value’ has not been declared nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:825:5: error: ‘enable_if’ in namespace ‘std’ does not name a template type nsel_REQUIRES_0( ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:825:5: error: expected ‘>’ before ‘<’ token nsel_REQUIRES_0( ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:14:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:828:41: error: expected ‘,’ or ‘...’ before ‘&&’ token nsel_constexpr14 expected( expected && rhs ) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:828:50: error: expected initializer before ‘noexcept’ nsel_constexpr14 expected( expected && rhs ) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:840:5: error: ‘constexpr’ does not name a type constexpr explicit expected( in_place_t ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:840:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:887:36: error: expected ‘,’ or ‘...’ before ‘&&’ token expected & operator=( expected && rhs ) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:887:43: error: expected ‘;’ at end of member declaration expected & operator=( expected && rhs ) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:889:14: error: ‘std::is_nothrow_move_assignable’ has not been declared std::is_nothrow_move_assignable::value && ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:889:40: error: expected ‘,’ or ‘...’ before ‘<’ token std::is_nothrow_move_assignable::value && ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:904:31: error: expected ‘;’ at end of member declaration void swap( expected & rhs ) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:906:14: error: ‘std::is_nothrow_move_constructible’ has not been declared std::is_nothrow_move_constructible::value && noexcept( std::swap( std::declval(), std::declval() ) ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:906:43: error: expected ‘,’ or ‘...’ before ‘<’ token std::is_nothrow_move_constructible::value && noexcept( std::swap( std::declval(), std::declval() ) ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:904:33: error: ‘int opentracing::v3::expected::noexcept(int)’ cannot be overloaded void swap( expected & rhs ) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:887:45: error: with ‘int opentracing::v3::expected::noexcept(int)’ expected & operator=( expected && rhs ) noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:919:5: error: ‘constexpr’ does not name a type constexpr explicit operator bool() const noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:919:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:924:5: error: ‘constexpr’ does not name a type constexpr bool has_value() const noexcept ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:924:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:932:5: error: ‘constexpr’ does not name a type constexpr error_type const & error() const & ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:932:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:937:24: error: expected ‘;’ at end of member declaration error_type & error() & ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:938:5: error: expected unqualified-id before ‘{’ token { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:940:5: error: expected ‘;’ at end of member declaration } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:942:5: error: ‘constexpr’ does not name a type constexpr error_type && error() const && ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:942:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:947:5: error: ‘constexpr’ does not name a type constexpr unexpected_type get_unexpected() const ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:947:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In copy constructor ‘opentracing::v3::expected::expected(const opentracing::v3::expected&)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:822:26: error: there are no arguments to ‘has_value’ that depend on a template parameter, so a declaration of ‘has_value’ must be available [-fpermissive] if ( ! has_value() ) contained.construct_error( rhs.contained.error() ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In destructor ‘opentracing::v3::expected::~expected()’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:868:26: error: there are no arguments to ‘has_value’ that depend on a template parameter, so a declaration of ‘has_value’ must be available [-fpermissive] if ( ! has_value() ) contained.destruct_error(); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘int opentracing::v3::expected::noexcept(int)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:892:19: error: ‘move’ is not a member of ‘std’ expected( std::move( rhs ) ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:892:30: error: ‘rhs’ was not declared in this scope expected( std::move( rhs ) ).swap( *this ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘int opentracing::v3::expected::noexcept(int)’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:911:43: error: ‘rhs’ was not declared in this scope if ( ! bool(*this) && ! bool(rhs) ) { swap( contained.error(), rhs.contained.error() ); } ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:912:79: error: ‘move’ is not a member of ‘std’ else if ( bool(*this) && ! bool(rhs) ) { contained.construct_error( std::move( rhs.error() ) ); ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: In member function ‘bool opentracing::v3::expected::has_exception() const’: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:955:28: error: there are no arguments to ‘has_value’ that depend on a template parameter, so a declaration of ‘has_value’ must be available [-fpermissive] return ! has_value() && std::is_base_of< Ex, decltype( get_unexpected().value() ) >::value; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:955:33: error: ‘is_base_of’ is not a member of ‘std’ return ! has_value() && std::is_base_of< Ex, decltype( get_unexpected().value() ) >::value; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:955:52: error: expected primary-expression before ‘,’ token return ! has_value() && std::is_base_of< Ex, decltype( get_unexpected().value() ) >::value; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:955:79: error: there are no arguments to ‘get_unexpected’ that depend on a template parameter, so a declaration of ‘get_unexpected’ must be available [-fpermissive] return ! has_value() && std::is_base_of< Ex, decltype( get_unexpected().value() ) >::value; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:955:92: error: ‘::value’ has not been declared return ! has_value() && std::is_base_of< Ex, decltype( get_unexpected().value() ) >::value; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp: At global scope: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:987:1: error: ‘constexpr’ does not name a type constexpr bool operator==( expected const & x, expected const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:987:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:993:1: error: ‘constexpr’ does not name a type constexpr bool operator!=( expected const & x, expected const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:993:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:999:1: error: ‘constexpr’ does not name a type constexpr bool operator<( expected const & x, expected const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:999:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1005:1: error: ‘constexpr’ does not name a type constexpr bool operator>( expected const & x, expected const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1005:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1011:1: error: ‘constexpr’ does not name a type constexpr bool operator<=( expected const & x, expected const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1011:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1017:1: error: ‘constexpr’ does not name a type constexpr bool operator>=( expected const & x, expected const & y ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1017:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1025:1: error: ‘constexpr’ does not name a type constexpr bool operator==( expected const & x, unexpected_type const & u ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1025:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1031:1: error: ‘constexpr’ does not name a type constexpr bool operator==( unexpected_type const & u, expected const & x ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1031:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1037:1: error: ‘constexpr’ does not name a type constexpr bool operator!=( expected const & x, unexpected_type const & u ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1037:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1043:1: error: ‘constexpr’ does not name a type constexpr bool operator!=( unexpected_type const & u, expected const & x ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1043:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1049:1: error: ‘constexpr’ does not name a type constexpr bool operator<( expected const & x, unexpected_type const & u ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1049:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1055:1: error: ‘constexpr’ does not name a type constexpr bool operator<( unexpected_type const & u, expected const & x ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1055:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1061:1: error: ‘constexpr’ does not name a type constexpr bool operator>( expected const & x, unexpected_type const & u ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1061:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1067:1: error: ‘constexpr’ does not name a type constexpr bool operator>( unexpected_type const & u, expected const & x ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1067:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1073:1: error: ‘constexpr’ does not name a type constexpr bool operator<=( expected const & x, unexpected_type const & u ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1073:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1079:1: error: ‘constexpr’ does not name a type constexpr bool operator<=( unexpected_type const & u, expected const & x) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1079:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1085:1: error: ‘constexpr’ does not name a type constexpr bool operator>=( expected const & x, unexpected_type const & u ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1085:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1091:1: error: ‘constexpr’ does not name a type constexpr bool operator>=( unexpected_type const & u, expected const & x ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1091:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1099:1: error: ‘constexpr’ does not name a type constexpr bool operator==( expected const & x, T const & v ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1099:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1105:1: error: ‘constexpr’ does not name a type constexpr bool operator==(T const & v, expected const & x ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1105:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1111:1: error: ‘constexpr’ does not name a type constexpr bool operator!=( expected const & x, T const & v ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1111:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1117:1: error: ‘constexpr’ does not name a type constexpr bool operator!=( T const & v, expected const & x ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1117:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1123:1: error: ‘constexpr’ does not name a type constexpr bool operator<( expected const & x, T const & v ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1123:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1129:1: error: ‘constexpr’ does not name a type constexpr bool operator<( T const & v, expected const & x ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1129:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1135:1: error: ‘constexpr’ does not name a type constexpr bool operator>( T const & v, expected const & x ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1135:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1141:1: error: ‘constexpr’ does not name a type constexpr bool operator>( expected const & x, T const & v ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1141:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1147:1: error: ‘constexpr’ does not name a type constexpr bool operator<=( T const & v, expected const & x ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1147:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1153:1: error: ‘constexpr’ does not name a type constexpr bool operator<=( expected const & x, T const & v ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1153:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1159:1: error: ‘constexpr’ does not name a type constexpr bool operator>=( expected const & x, T const & v ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1159:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1165:1: error: ‘constexpr’ does not name a type constexpr bool operator>=( T const & v, expected const & x ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1165:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1173:51: error: expected initializer before ‘noexcept’ void swap( expected & x, expected & y ) noexcept( noexcept( x.swap(y) ) ) ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1179:1: error: ‘constexpr’ does not name a type constexpr auto make_expected( T && v ) -> expected< typename std::decay::type > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1179:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1186:45: error: template argument 2 is invalid inline auto make_expected() -> expected ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1186:32: error: top-level declaration of ‘make_expected’ specifies ‘auto’ inline auto make_expected() -> expected ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1186:32: error: trailing return type only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1192:1: error: ‘constexpr’ does not name a type constexpr auto make_expected_from_error( E e ) -> expected::type> ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1192:1: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1205:8: error: ‘hash’ is not a class template struct hash< opentracing::expected > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1207:28: error: wrong number of template arguments (1, should be 2) typedef typename hash::result_type result_type; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1205:41: note: provided for ‘template struct std::hash’ struct hash< opentracing::expected > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1210:5: error: ‘constexpr’ does not name a type constexpr result_type operator()(argument_type const & arg) const ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1210:5: note: C++11 ‘constexpr’ only available with -std=c++11 or -std=gnu++11 /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1218:42: error: wrong number of template arguments (1, should be 2) struct hash< opentracing::expected > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1205:41: note: provided for ‘template struct std::hash’ struct hash< opentracing::expected > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1235:44: error: wrong number of template arguments (1, should be 2) struct hash< opentracing::expected > ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/expected/expected.hpp:1205:41: note: provided for ‘template struct std::hash’ struct hash< opentracing::expected > ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/propagation.h:6:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:4, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:18:7: error: expected nested-name-specifier before ‘SystemClock’ using SystemClock = std::chrono::system_clock; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:19:7: error: expected nested-name-specifier before ‘SteadyClock’ using SteadyClock = std::chrono::steady_clock; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:20:7: error: expected nested-name-specifier before ‘SystemTime’ using SystemTime = SystemClock::time_point; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:21:7: error: expected nested-name-specifier before ‘SteadyTime’ using SteadyTime = SteadyClock::time_point; ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:46:25: error: ‘enable_if’ in namespace ‘std’ does not name a template type typename std::enable_if< ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:46:34: error: expected ‘>’ before ‘<’ token typename std::enable_if< ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:49:10: error: ‘std::chrono’ has not been declared std::chrono::time_point from_time_point) { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:49:38: error: expected primary-expression before ‘,’ token std::chrono::time_point from_time_point) { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:49:48: error: expected primary-expression before ‘>’ token std::chrono::time_point from_time_point) { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:49:50: error: ‘from_time_point’ was not declared in this scope std::chrono::time_point from_time_point) { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:49:67: error: expected ‘;’ before ‘{’ token std::chrono::time_point from_time_point) { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:57:25: error: ‘enable_if’ in namespace ‘std’ does not name a template type typename std::enable_if::value>::type ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:57:34: error: expected ‘>’ before ‘<’ token typename std::enable_if::value>::type ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:60:10: error: ‘std::chrono’ has not been declared std::chrono::time_point from_time_point) { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:60:38: error: expected primary-expression before ‘,’ token std::chrono::time_point from_time_point) { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:60:48: error: expected primary-expression before ‘>’ token std::chrono::time_point from_time_point) { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:60:50: error: ‘from_time_point’ was not declared in this scope std::chrono::time_point from_time_point) { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:60:67: error: expected ‘;’ before ‘{’ token std::chrono::time_point from_time_point) { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:74:35: error: ‘opentracing::v3::are_errors_equal’ declared as an ‘inline’ variable inline bool are_errors_equal(std::error_code lhs, ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:74:30: error: ‘error_code’ is not a member of ‘std’ inline bool are_errors_equal(std::error_code lhs, ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:75:30: error: ‘error_code’ is not a member of ‘std’ std::error_code rhs) noexcept { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:75:49: error: expression list treated as compound expression in initializer [-fpermissive] std::error_code rhs) noexcept { ^ /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/util.h:75:51: error: expected ‘,’ or ‘;’ before ‘noexcept’ std::error_code rhs) noexcept { ^ In file included from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/variant/variant.hpp:11:0, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/value.h:7, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/span.h:6, from /home/conan/w/BuildSingleReference/.conan/data/opentracing-cpp/1.6.0/_/_/package/2f2e4adc58b818afa8f98bc0f0e6a14c1dad2e69/include/opentracing/tracer.h:5, from /home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/test_package.cpp:1: /usr/include/c++/5/typeinfo:39:37: error: expected ‘}’ before end of line /usr/include/c++/5/typeinfo:39:37: error: expected ‘}’ before end of line /usr/include/c++/5/typeinfo:39:37: error: expected declaration before end of line make[2]: *** [CMakeFiles/test_package.dir/test_package.cpp.o] Error 1 make[1]: *** [CMakeFiles/test_package.dir/all] Error 2 make: *** [all] Error 2 [HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component opentracing-cpp::opentracing-cpp libdir "lib" does not contain any declared library [HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component opentracing-cpp::opentracing-static libdir "lib" does not contain any declared library [HOOK - conan-center.py] post_package_info(): ERROR: [LIBRARY DOES NOT EXIST (KB-H054)] Component opentracing-cpp::opentracing-static library "opentracing-static" not found in libdirs (https://github.com/conan-io/conan-center-index/blob/master/docs/error_knowledge_base.md#KB-H054) ERROR: opentracing-cpp/1.6.0 (test package): Error in build() method, line 12 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/BuildSingleReference/conan-center-index/recipes/opentracing-cpp/all/test_package/build/309e264953a464bceb961524d9b73b28bd50e489' '--' '-j3'