Refactoring

Author: devlights

cmd/trygolang/main.go

@@ -17,6 +17,23 @@ func init() {
 	mapping.MakeMapping()
 }
 
+func printAllExampleNames() {
+	names := make([]string, 0, len(mapping))
+
+	for k := range mapping {
+		names = append(names, k)
+	}
+
+	sort.Slice(names, func(i, j int) bool {
+		return names[i] < names[j]
+	})
+
+	fmt.Println("[Examples]")
+	for _, v := range names {
+		fmt.Printf("\t%s\n", v)
+	}
+}
+
 func main() {
 	var (
 		onetime   = flag.Bool("onetime", false, "run only one time")
@@ -26,21 +43,7 @@ func main() {
 	flag.Parse()
 
 	if *showNames {
-		names := make([]string, 0, len(mapping))
-
-		for k := range mapping {
-			names = append(names, k)
-		}
-
-		sort.Slice(names, func(i, j int) bool {
-			return names[i] < names[j]
-		})
-
-		fmt.Println("[Examples]")
-		for _, v := range names {
-			fmt.Printf("\t%s\n", v)
-		}
-
+		printAllExampleNames()
 		return
 	}