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std::is_err...dition_enum(3) C++ Standard Libary std::is_err...dition_enum(3) NAME std::is_error_condition_enum - std::is_error_condition_enum Synopsis Defined in header <system_error> template< class T > (since C++11) struct is_error_condition_enum; If T is an error condition enum, this template provides the member constant value equal true. For any other type, value is false. This template may be specialized for a user-defined type to indicate that the type is eligible for std::error_condition automatic conversions. The following class of the standard library is an error condition enum: std::errc. Helper variable template template< class T > inline constexpr bool is_error_condition_enum_v = (since C++17) is_error_condition_enum<T>::value; Inherited from std::integral_constant Member constants value true if T is an error condition enum, false otherwise [static] (public static member constant) Member functions operator bool converts the object to bool, returns value (public member function) operator() returns value (C++14) (public member function) Member types Type Definition value_type bool type std::integral_constant<bool, value> See also is_error_code_enum identifies a class as an error_code enumeration (C++11) (class template) http://cppreference.com 2022.07.31 std::is_err...dition_enum(3)
NAME | Synopsis | Member constants | Member functions | Member types | See also
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