...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::property_tree::id_translator — Simple implementation of the Translator concept. It does no translation.
// In header: <boost/property_tree/ptree_fwd.hpp> template<typename T> struct id_translator { // public member functions boost::optional< T > get_value(const T &); boost::optional< T > put_value(const T &); };