convert loop to map lookup

text.go

@@ -51,24 +51,23 @@ func expand(c *gabs.Container, token *list.Element, res *bytes.Buffer) {
 	}
 	res.WriteString("/")
 	children, _ := c.ChildrenMap()
-	for key, child := range children {
-		if key == token.Value {
-			p, skip, err := getPrefix(child)
-			if err != nil {
-				fmt.Println(err.Error())
+	child, ok := children[token.Value.(string)]
+	if ok {
+		p, skip, err := getPrefix(child)
+		if err != nil {
+			fmt.Println(err.Error())
+			return
+		}
+		res.WriteString(p)
+		if skip {
+			token = token.Next()
+			if token == nil {
 				return
 			}
-			res.WriteString(p)
-			if skip {
-				token = token.Next()
-				if token == nil {
-					return
-				}
-				res.WriteString(token.Value.(string))
-			}
-			expand(child, token.Next(), res)
-			return
+			res.WriteString(token.Value.(string))
 		}
+		expand(child, token.Next(), res)
+		return
 	}
 	// handle base case if no keys matched
 	res.WriteString(token.Value.(string))

web_test.go

@@ -133,8 +133,8 @@ func BenchmarkIndexHandler(b *testing.B) {
 	context := &context{config: c}
 	appHandler := &ctxWrapper{context, IndexHandler}
 	handler := http.Handler(appHandler)
-	req, _ := http.NewRequest("GET", "/p", nil)
-	req.Host = "sd"
+	req, _ := http.NewRequest("GET", "/z", nil)
+	req.Host = "g"
 	rr := httptest.NewRecorder()
 	for n := 0; n < b.N; n++ {
 		handler.ServeHTTP(rr, req)