func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
	//now := time.Now()
	if root, exist := r.roots[req.Method]; exist {
		handler, params, _ := root.match(req.URL.Path)
		if handler != nil {
			handler.ServeHTTP(w, req, params)
			//log.Println(time.Now().Sub(now))
			return
		}
	}
	r.handleMissing(w, req)
}
func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
	
	if root, exist := r.roots[req.Method]; exist {
		handler, params, _ := root.match(req.URL.Path)
		if handler != nil {
			handler.ServeHTTP(w, req, params)
			
			return
		}
	}
	r.handleMissing(w, req)
}
func ( r * Router ) ServeHTTP ( w http . ResponseWriter , req * http . Request ) { //now := time.Now() if root , exist := r . roots [ req . Method ] ; exist { handler , params , _ := root . match ( req . URL . Path ) if handler != nil { handler . ServeHTTP ( w , req , params ) //log.Println(time.Now().Sub(now)) return } } r . handleMissing ( w , req ) }
// http Handler Interface
http Handler Interface