std::experimental::ranges:: identity
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Defined in header
<experimental/ranges/functional>
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||
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struct
identity
;
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(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 |
Nested types
| Nested type | Definition |
is_transparent
|
unspecified |
Member functions
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operator()
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returns the argument unchanged
(public member function) |
std::experimental::ranges::identity:: operator()
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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 ) .
Example
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This section is incomplete
Reason: no example |