operator==,!=(std::experimental::function)
Defined in header <experimental/functional>
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||
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template
<
class R, class... ArgTypes
>
bool operator==
(
const
std::experimental::function
<R(ArgTypes...)
>
& f, |
(1) | (library fundamentals TS) |
|
template
<
class R, class... ArgTypes
>
bool operator==( std::nullptr_t, |
(2) | (library fundamentals TS) (removed in library fundamentals TS v3) |
|
template
<
class R, class... ArgTypes
>
bool operator!
=
(
const
std::experimental::function
<R(ArgTypes...)
>
& f, |
(3) | (library fundamentals TS) (removed in library fundamentals TS v3) |
|
template
<
class R, class... ArgTypes
>
bool operator!
=
(
std::nullptr_t, |
(4) | (library fundamentals TS) (removed in library fundamentals TS v3) |
Compares a std::experimental::function with a null pointer. Empty functions (that is, functions without a callable target) compare equal, non-empty functions compare non-equal.
The |
(library fundamentals TS v3) |
Parameters
| f | - | std::experimental::function to compare
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Return value
See also
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(removed in C++20)
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compares a std::function with nullptr
(function template) |