fix router optional

Author: honmaple

README.org

@@ -233,11 +233,11 @@
           return "uuid"
       }
 
-      func (s *UUIDMatcher) Match(path string, count int, next bool) (int, bool) {
-          if count > 0 {
+      func (s *UUIDMatcher) Match(path string, index int, next bool) (int, bool) {
+          if index > 0 {
               return 0, false
           }
-          if len(path) < 18 {
+          if len(path) < 18 || (!next && len(path) > 18) {
               return 0, false
           }
           _, err := uuid.Parse(path[:18])
@@ -251,7 +251,7 @@
           return &UUIDMatcher{}
       }
 
-      forest.RegisterURLParam("uuid", NewUUIDMatcher)
+      forest.RegisterRule("uuid", NewUUIDMatcher)
 
       router := forest.New()
       router.GET("/api/v1/user/{pk:uuid}", handler)

forest.go

@@ -154,7 +154,7 @@ func (e *Forest) addRoute(host, method, path string) *Route {
 		method: method,
 		path:   path,
 	}
-	root.insert(route)
+	root.insert(route.Path(), route)
 
 	// maybe should check route.pnames can't be repeated
 	if l := len(route.pnames); l > e.maxParam {