...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::basic_formatter_factory
// In header: <boost/log/utility/setup/formatter_parser.hpp> template<typename CharT, typename AttributeValueT> class basic_formatter_factory : public boost::log::formatter_factory< CharT > { public: // types typedef AttributeValueT value_type; // Attribute value type. typedef base_type::formatter_type formatter_type; typedef base_type::args_map args_map; // public member functions virtual formatter_type create_formatter(attribute_name const &, args_map const &); };