package errhttp import ( "errors" ) var ErrUnauthorized error = UnauthorizedWrap(errors.New("Unauthorized")) type Unauthorized interface { ClientError Unauthorized() } type internalUnauthorized struct { err error } func UnauthorizedWrap(err error) error { return internalUnauthorized{ err:err, } } func (receiver internalUnauthorized) Error() string { return receiver.err.Error() } func (receiver internalUnauthorized) Err() error { return receiver.err } func (internalUnauthorized) ErrHTTP() { // Nothing here. } func (internalUnauthorized) ClientError() { // Nothing here. } func (internalUnauthorized) Unauthorized() { // Nothing here. } func (receiver internalUnauthorized) Unwrap() error { return receiver.err }