...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
system_error
// In header: <boost/dll/config.hpp> typedef std::conditional_t< BOOST_DLL_USE_STD_FS, std::system_error, boost::system::system_error > system_error;
Alias to std::system_error
if BOOST_DLL_USE_STD_FS is defined by user. Alias to boost::system::system_error
otherwise.