dune-common 2.9.0
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A function object type whose operator() returns its argument unchanged. More...
#include <dune/common/std/functional.hh>
Public Member Functions | |
template<class T > | |
constexpr T && | operator() (T &&t) const noexcept |
A function object type whose operator() returns its argument unchanged.
return std::forward(t);
r-values
, the result must be, at most, used for direct consumption in an outer function call
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inlineconstexprnoexcept |