Identity mapping function. More...
Public Member Functions | |
| Result | operator() (Arg t) const |
Friends | |
| constexpr bool | operator== (identity const &, identity const &) noexcept |
| constexpr bool | operator!= (identity const &, identity const &) noexcept |
Identity mapping function.
| Arg | Type mapped from. |
| Result | Type mapped to. |
1.8.13