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std::not_equal_to<void>

Defined in header <functional> 
template<>
class not_equal_to<void>;
 (since C++14)

std::not_equal_to<void> is a specialization of std::not_equal_to with parameter and return type deduced.

Nested types

Nested type Definition
is_transparent unspecified

Member functions

operator()
tests if the two arguments do not compare equal
(public member function)

std::not_equal_to<void>::operator()

template< class T, class U >
constexpr auto operator()( T&& lhs, U&& rhs ) const
    -> decltype(std::forward<T>(lhs) != std::forward<U>(rhs));

Returns the result of non-equality comparison between lhs and rhs.

Parameters

lhs, rhs - values to compare

Return value

std::forward<T>(lhs) != std::forward<U>(rhs).

Example

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