5 #ifndef DUNE_COMMON_STD_FUNCTIONAL_HH
6 #define DUNE_COMMON_STD_FUNCTIONAL_HH
22 #if DUNE_HAVE_CXX_STD_IDENTITY
27 constexpr T&&
operator()(T&& t )
const noexcept {
return std::forward<T>(t);}
Dune namespace.
Definition: alignedallocator.hh:13
A function object type whose operator() returns its argument unchanged.
Definition: functional.hh:25
constexpr T && operator()(T &&t) const noexcept
Definition: functional.hh:27