errors.go
func ErrNotFound(id string) error {
	return ErrorResponse{
		Code:    http.StatusNotFound,
		Message: fmt.Sprintf("request %s not found", id),
	}
}
func ErrNotFound(id string) error {
	return ErrorResponse{
		Code:    http.StatusNotFound,
		Message: fmt.Sprintf("request %s not found", id),
	}
}
func ErrNotFound ( id string ) error { return ErrorResponse { Code : http . StatusNotFound , Message : fmt . Sprintf ( " " , id ) , } }
// ErrNotFound indicates a request could
// not be found by the processor.
ErrNotFound indicates a request could not be found by the processor .