(Unary-)Functor representing the identity More...
#include <Basic.hpp>
Public Member Functions | |
template<class T > | |
constexpr T const & | operator() (T const &x) const |
Friends | |
constexpr int | order (Id const &, int d) |
auto | partial (Id const &, index_t< 0 >) |
(Unary-)Functor representing the identity