...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::log::expressions::attribute_terminal::result<ThisT(ContextT)>
// In header: <boost/log/expressions/attr.hpp> template<typename ThisT, typename ContextT> struct result<ThisT(ContextT)> { // types typedef remove_cv< typenameremove_reference< typenamephoenix::result_of::env< ContextT >::type >::type >::type env_type; typedef env_type::args_type args_type; typedef unspecified cv_value_extractor_type; typedef boost::result_of< cv_value_extractor_type(attribute_nameconst &, typenamefusion::result_of::at_c< args_type, 0 >::type)>::type type; };