errors/middleware.go
func (e ErrorHandlerFunc) ServeErrorPage(ctx context.Context, w http.ResponseWriter, r *http.Request, status int, err error) {
	e(ctx, w, r, status, err)
}
func (e ErrorHandlerFunc) ServeErrorPage(ctx context.Context, w http.ResponseWriter, r *http.Request, status int, err error) {
	e(ctx, w, r, status, err)
}
// ServeErrorPage Implements ErrorHandler.ServeErrorPage