std:: bit_not<void>

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Utilities library
General utilities
Relational operators (deprecated in C++20)
Function objects
Function invocation
(C++17) (C++23)
Identity function object
(C++20)
Old binders and adaptors
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Defined in header <functional>
template <>
class bit_not < void > ;
(since C++14)

std:: bit_not < void > is a specialization of std::bit_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::bit_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 bitwise NOT

Return value

~ std:: forward < T > ( arg ) .

Example