Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::xpressive::op::at — at is a PolymorphicFunctionObject for indexing into a sequence
// In header: <boost/xpressive/regex_actions.hpp> struct at { // member classes/structs/unions template<typename Sig> struct result { }; template<typename This, typename Cont, typename Idx> struct result<This(Cont &, Idx)> { // types typedef Cont::reference type; }; template<typename This, typename Cont, typename Idx> struct result<This(Cont const &, Idx)> { // types typedef Cont::const_reference type; }; template<typename This, typename Cont, typename Idx> struct result<This(Cont, Idx)> { // types typedef Cont::const_reference type; }; // public member functions template<typename Cont, typename Idx> Cont::reference operator()(Cont &, Idx) const; template<typename Cont, typename Idx> Cont::const_reference operator()(Cont const &, Idx) const; };
at public member functionstemplate<typename Cont, typename Idx> Cont::reference operator()(Cont & c, Idx idx) const;
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template<typename Cont, typename Idx> Cont::const_reference operator()(Cont const & c, Idx idx) const;
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.