// MethodNotAllowed writes a 405 Method Not Allowed response when applicable.
// It also sets the Accept header to the list of methods that are acceptable.
func MethodNotAllowed(routes martini.Routes, w http.ResponseWriter, r *http.Request) {
if methods := routes.MethodsFor(r.URL.Path); len(methods) != 0 {
w.Header().Set("Allow", strings.Join(methods, ","))
w.WriteHeader(http.StatusMethodNotAllowed)
}
}
