Code returns the Code of the error if it is a Status error, codes.OK if err is nil, or codes.Unknown otherwise.

Convert is a convenience function which removes the need to handle the boolean return value from FromError.

Error returns an error representing c and msg.

Errorf returns Error(c, fmt.Sprintf(format, a...)).

ErrorProto returns an error representing s.

FromContextError converts a context error or wrapped context error into a Status.

FromError returns a Status representation of err.

FromProto returns a Status representing s.

New returns a Status representing c and msg.

Newf returns New(c, fmt.Sprintf(format, a...)).

Status references google.golang.org/grpc/internal/status.