operator==,!=(std::experimental::function)
< cpp | experimental | function
|
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) |
|
template< class R, class... ArgTypes >
bool operator!=( const std::experimental::function<R(ArgTypes...)>& f, |
(3) | (library fundamentals TS) |
|
template< class R, class... ArgTypes >
bool operator!=( std::nullptr_t, |
(4) | (library fundamentals TS) |
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.
Parameters
| f | - | std::experimental::function to compare |
Return value
1-2) !f
3-4) (bool) f
See also
|
(removed in C++20)
|
compares a std::function with nullptr (function template) |