result_or_value_fail
..\boost/system/detail/error_condition.hpp(77) : warning C4346: 'std::is_same<ErrorConditionEnum,boost::system::errc::errc_t>::value' : dependent name is not a type
..\boost/system/detail/error_condition.hpp(85) : warning C4346: 'std::is_same<ErrorConditionEnum,boost::system::errc::errc_t>::value' : dependent name is not a type
..\boost/system/detail/error_condition.hpp(105) : warning C4346: 'boost::system::is_error_condition_enum<T>::value' : dependent name is not a type
..\boost/system/detail/error_code.hpp(130) : warning C4346: 'std::is_error_code_enum<_Enum>::value' : dependent name is not a type
..\boost/system/detail/error_code.hpp(191) : warning C4346: 'boost::system::is_error_code_enum<T>::value' : dependent name is not a type
result_or_value_fail2
..\boost/system/detail/error_condition.hpp(77) : warning C4346: 'std::is_same<ErrorConditionEnum,boost::system::errc::errc_t>::value' : dependent name is not a type
..\boost/system/detail/error_condition.hpp(85) : warning C4346: 'std::is_same<ErrorConditionEnum,boost::system::errc::errc_t>::value' : dependent name is not a type
..\boost/system/detail/error_condition.hpp(105) : warning C4346: 'boost::system::is_error_condition_enum<T>::value' : dependent name is not a type
..\boost/system/detail/error_code.hpp(130) : warning C4346: 'std::is_error_code_enum<_Enum>::value' : dependent name is not a type
..\boost/system/detail/error_code.hpp(191) : warning C4346: 'boost::system::is_error_code_enum<T>::value' : dependent name is not a type