...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::nfp::named_parameter
// In header: <boost/test/utils/named_params.hpp> template<typename T, typename unique_id, typename RefType> struct named_parameter { // types typedef T data_type; typedef RefType ref_type; typedef unique_id id; // public member functions explicit named_parameter(ref_type); named_parameter(named_parameter const &); ref_type operator[](keyword< unique_id, true >) const; ref_type operator[](keyword< unique_id, false >) const; template<typename UnknownId> nil operator[](keyword< UnknownId, false >) const; bool has(keyword< unique_id, false >) const; template<typename UnknownId> bool has(keyword< UnknownId, false >) const; void erase(keyword< unique_id, false >) const; template<typename UnknownId> void erase(keyword< UnknownId, false >) const; template<typename Visitor> void apply_to(Visitor &) const; named_parameter_combine< NP, named_parameter< T, unique_id, RefType > > operator,(NP const &) const; };
named_parameter
public member functionsexplicit named_parameter(ref_type v);
named_parameter(named_parameter const & np);
ref_type operator[](keyword< unique_id, true >) const;
ref_type operator[](keyword< unique_id, false >) const;
template<typename UnknownId> nil operator[](keyword< UnknownId, false >) const;
bool has(keyword< unique_id, false >) const;
template<typename UnknownId> bool has(keyword< UnknownId, false >) const;
void erase(keyword< unique_id, false >) const;
template<typename UnknownId> void erase(keyword< UnknownId, false >) const;
template<typename Visitor> void apply_to(Visitor & V) const;
named_parameter_combine< NP, named_parameter< T, unique_id, RefType > > operator,(NP const & np) const;