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std::bit_not(3) C++ Standard Libary std::bit_not(3) NAME std::bit_not - std::bit_not Synopsis Defined in header <functional> template< class T = void > (since C++14) struct bit_not; Function object for performing bitwise NOT. Effectively calls opera- tor~ on type T. Specializations The standard library provides a specialization of std::bit_not when T is not specified, which leaves the parameter types and return type to be deduced. bit_not<void> function object implementing ~x deducing argument and return types (C++14) (class template specialization) Member types Type Definition result_type (deprecated in C++17)(removed in C++20) T argument_type (deprecated in C++17)(removed in C++20) T These member types are obtained via publicly inheriting (until C++11) std::unary_function<T, T>. Member functions operator() returns the result of bitwise NOT of its argument (public member function) std::bit_not::operator() constexpr T operator()( const T& arg ) const; Returns the result of bitwise NOT of arg. Parameters arg - value to compute bitwise NOT of Return value The result of ~arg. Exceptions May throw implementation-defined exceptions. Possible implementation constexpr T operator()(const T& arg) const { return ~arg; } Notes Although std::bit_not is added via post-C++11 proposal N3421, it is treated as a part of the resolution for LWG issue 660 (except for its transparent specialization std::bit_not<>) by common implementations, and thus available in their C++98/03 mode. http://cppreference.com 2022.07.31 std::bit_not(3)
NAME | Synopsis | Specializations | Member types | Member functions | Parameters | Return value | Exceptions | Possible implementation | Notes
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