std::experimental::ranges:: identity
Defined in header
<experimental/ranges/functional>
|
||
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.
Nested types
Nested type | Definition |
is_transparent
|
unspecified |
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 ; |
||
Returns std:: forward < T > ( t ) .
Parameters
t | - | argument to return |
Return value
std:: forward < T > ( t ) .
Example
This section is incomplete
Reason: no example |