Improve ChoiceMap

src/util/arrays.go

 func ChoiceMap(ary map[string]int) (string, int) {
 	rand.Seed(time.Now().UnixNano())
 	l := len(ary)
-	if l == 0 {
-		return "", 0
+	keys := make([]string, 0, l)
+	for k := range ary {
+		keys = append(keys, k)
 	}
-	// fmt.Println(l)
-	key, val, rot := "", 0, 0
-	for key == "" {
-		// Debug(rot, key, val)
-		for k, v := range ary {
-			// Debug(k, v)
-			// Debug(rot)
-			r := 0
-			if rot < 3 {
-				r = rand.Intn(l)
-			}
-			if r == 0 {
-				return k, v
-			}
-		}
-		rot++
-		// fmt.Println(key, val)
-	}
-	return key, val
+	sel := ChoiceStr(keys)
+	return sel, ary[sel]
 }
+
+// func ChoiceMap(ary map[string]int) (string, int) {
+// 	rand.Seed(time.Now().UnixNano())
+// 	l := len(ary)
+// 	if l == 0 {
+// 		return "", 0
+// 	}
+// 	// fmt.Println(l)
+// 	key, val, rot := "", 0, 0
+// 	for key == "" {
+// 		// Debug(rot, key, val)
+// 		for k, v := range ary {
+// 			// Debug(k, v)
+// 			// Debug(rot)
+// 			r := 0
+// 			if rot < 3 {
+// 				r = rand.Intn(l)
+// 			}
+// 			if r == 0 {
+// 				return k, v
+// 			}
+// 		}
+// 		rot++
+// 		// fmt.Println(key, val)
+// 	}
+// 	return key, val
+// }