error_code

Class to represent an error code value.

class error_code

Name	Description
unspecified_bool_type_t
unspecified_bool_type
value_type	The underlying representation of an error code.

Name	Description
category	Get the error category.
error_code	Default constructor.
message	Get the message associated with the error.
operator unspecified_bool_type	Operator returns non-null if there is a non-success error code.
operator!	Operator to test if the error represents success.
unspecified_bool_true
value	Get the error value.

Name	Description
operator!=	Inequality operator to compare two error objects.
operator==	Equality operator to compare two error objects.