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std::logical_not< _Tp >

One of the Boolean operations functors.

#include <functional>

Inherits std::unary_function< _Tp, bool >.


typedef _Tp argument_type
argument_type is the type of the argument typedef bool result_type
result_type is the return type


constexpr bool operator() (const _Tp &__x) const

struct std::logical_not< _Tp >"One of the Boolean operations functors.

argument_type is the type of the argument

result_type is the return type

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