std::identity(3)           Library Functions Manual           std::identity(3)

NAME
       std::identity - [func.identity] The identity function.


SYNOPSIS
       #include <functional>

   Public Types
       using is_transparent

   Public Member Functions
       template<typename _Tp > constexpr _Tp && operator() (_Tp &&__t) const
           noexcept

Detailed Description
       [func.identity] The identity function.


Author
       Generated automatically by Doxygen for libstdc++ from the source code.

                                   libstdc++                  std::identity(3)