std::logical_not<void>
Defined in header <functional> | ||
|---|---|---|
template<> class logical_not<void>; | (since C++14) |
std::logical_not<void> is a specialization of std::logical_not with parameter and return type deduced.
Nested types
| Nested type | Definition |
|---|---|
is_transparent | unspecified |
Member functions
| operator() | applies operator! to its argument (public member function) |
std::logical_not<void>::operator()
template< class T >
constexpr auto operator()( T&& arg ) const
-> decltype(!std::forward<T>(arg));
|
Returns the result of !std::forward<T>(arg).
Parameters
| arg | - | value to apply logical NOT to |
Return value
!std::forward<T>(arg).
Example
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