std::experimental::ranges::identity
From cppreference.com
< cpp | experimental | ranges
| Defined in header <experimental/ranges/functional>
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| struct identity; |
(ranges TS) | |
ranges::identity is a function object type whose operator() returns its argument unchanged. It is used as the default projection for all Ranges TS algorithms.
Contents |
[edit] Nested types
| Nested type | Definition |
is_transparent
|
unspecified |
[edit] Member functions
| operator() |
returns the argument unchanged (public member function) |
std::experimental::ranges::identity::operator()
| template< class T > constexpr T&& operator()( T&& t ) const noexcept; |
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Returns std::forward<T>(t).
Parameters
| t | - | argument to return |
Return value
std::forward<T>(t).
[edit] Example
| This section is incomplete Reason: no example |
