adding Router.Name to create new Route (#457)

mux.go

@@ -283,6 +283,12 @@ func (r *Router) NewRoute() *Route {
 	return route
 }
 
+// Name registers a new route with a name.
+// See Route.Name().
+func (r *Router) Name(name string) *Route {
+	return r.NewRoute().Name(name)
+}
+
 // Handle registers a new route with a matcher for the URL path.
 // See Route.Path() and Route.Handler().
 func (r *Router) Handle(path string, handler http.Handler) *Route {

mux_test.go

@@ -1441,10 +1441,11 @@ func TestNamedRoutes(t *testing.T) {
 	r3.NewRoute().Name("g")
 	r3.NewRoute().Name("h")
 	r3.NewRoute().Name("i")
+	r3.Name("j")
 
-	if r1.namedRoutes == nil || len(r1.namedRoutes) != 9 {
-		t.Errorf("Expected 9 named routes, got %v", r1.namedRoutes)
-	} else if r1.Get("i") == nil {
+	if r1.namedRoutes == nil || len(r1.namedRoutes) != 10 {
+		t.Errorf("Expected 10 named routes, got %v", r1.namedRoutes)
+	} else if r1.Get("j") == nil {
 		t.Errorf("Subroute name not registered")
 	}
 }