mux.go
func (mx *Mux) MethodNotAllowedHandler() http.HandlerFunc {
	if mx.methodNotAllowedHandler != nil {
		return mx.methodNotAllowedHandler
	}
	return methodNotAllowedHandler
}
func (mx *Mux) MethodNotAllowedHandler() http.HandlerFunc {
	if mx.methodNotAllowedHandler != nil {
		return mx.methodNotAllowedHandler
	}
	return methodNotAllowedHandler
}
func ( mx * Mux ) MethodNotAllowedHandler ( ) http . HandlerFunc { if mx . methodNotAllowedHandler != nil { return mx . methodNotAllowedHandler } return methodNotAllowedHandler }
// MethodNotAllowedHandler returns the default Mux 405 responder whenever
// a method cannot be resolved for a route.
MethodNotAllowedHandler returns the default Mux 405 responder whenever a method cannot be resolved for a route .