std::error_category::equivalent

std::error_category::equivalent

virtual bool equivalent( int code, 
                         const std::error_condition& condition ) const;
(1) (since C++11)
virtual bool equivalent( const std::error_code& code,
                         int condition ) const;
(2) (since C++11)

Checks whether error code is equivalent to an error condition for the error category represented by *this.

1) Equivalent to default_error_condition(code) == condition.
2) Equivalent to