operator==,!=(std::experimental::function)
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< cpp | experimental | function
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Defined in header
<experimental/functional>
template< class R, class... ArgTypes >
(1)
(library fundamentals TS)
bool operator==( const std::experimental::function <R(ArgTypes...)>& f,
template< class R, class... ArgTypes >
(2)
(library fundamentals TS) bool operator==( std::nullptr_t,
(removed in library fundamentals TS v3)
template< class R, class... ArgTypes >
(3)
(library fundamentals TS) bool operator!=( const std::experimental::function <R(ArgTypes...)>& f,
(removed in library fundamentals TS v3)
template< class R, class... ArgTypes >
(4)
(library fundamentals TS) bool operator!=( std::nullptr_t,
(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 !=
operator is synthesized from operator==
.
[edit] Parameters
f
-
std::experimental::function
to compare
[edit] Return value
1,2) !f
3,4) (bool) f