std::logical_not<void>

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logical_not<>
(C++14)

Old binders and adaptors
(until C++17*)
(until C++17*)
(until C++17*)
(until C++17*)
(until C++17*)  
(until C++17*)
(until C++17*) (until C++17*) (until C++17*) (until C++17*)
(until C++20*)
(until C++20*)
(until C++17*)(until C++17*)
(until C++17*)(until C++17*)

(until C++17*)
(until C++17*) (until C++17*) (until C++17*) (until C++17*)
(until C++20*)
(until C++20*)
Defined in header <functional>
template <>
class logical_not< void > ;
(since C++14)

std::logical_not < void > is a specialization of std::logical_not

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

This section is incomplete
Reason: no example
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