Minor tweaks

golangr/goroutines/2.go

@@ -8,6 +8,7 @@ import (
 
 var numsToSum []int
 var choice2 int
+var isAveraged bool
 
 func getAverage(arr []int, c chan int) {
 	sum := 0
@@ -26,7 +27,11 @@ func statusMSG() {
 	fmt.Printf("Current numbers: %v\n", numsToSum)
 	fmt.Println("[1] Add number")
 	fmt.Println("[2] Calculate average")
-	fmt.Println("[3] Exit")
+	fmt.Println("[3] Flush array")
+	fmt.Println("[4] Exit")
+	if isAveraged == true {
+		fmt.Println()
+	}
 }
 
 func getChoice2() {
@@ -65,12 +70,13 @@ looper:
 			// Send function call to goroutine while providing the channel for communication
 			go getAverage(numsToSum, c)
 
-			fmt.Printf("\rThinking.")
+			// This is far better than repeating myself, I can even expand the amount of dots it'll use!
-			time.Sleep(time.Second)
+			thinkstr := "Thinking"
-			fmt.Printf("\rThinking..")
+			for i := 0; i < 4; i++ {
-			time.Sleep(time.Second)
+				fmt.Printf("\r%v", thinkstr)
-			fmt.Printf("\rThinking...")
+				time.Sleep(time.Second)
-			time.Sleep(time.Second)
+				thinkstr = thinkstr + "."
+			}
 			fmt.Printf("\r\n")
 
 			// Get the result returned by the goroutine
@@ -81,6 +87,10 @@ looper:
 			fmt.Printf("The average value is %v\n", average)
 			time.Sleep(time.Second * 3)
 		case 3:
+			fmt.Printf("\rThe array has been set to null")
+			numsToSum = nil
+			time.Sleep(time.Second)
+		case 4:
 			break looper
 		}
 	}

golangr/goroutines/main.go

@@ -11,15 +11,19 @@ var check bool = false
 var choice string
 var err error
 
+func mainStatus() {
+	clear()
+	fmt.Printf("[1] Basic concurrency\n")
+	fmt.Printf("[2] Channels\n")
+	fmt.Printf("[3] Exit\n")
+	fmt.Printf("\rChoose your function: ")
+}
+
 func main() {
 	var numChoice int
 
 	for {
-		clear()
+		mainStatus()
-		fmt.Printf("[1] Basic concurrency\n")
-		fmt.Printf("[2] Channels\n")
-
-		fmt.Printf("\rChoose your function: ")
 
 		strChoice := scanLine()
 		numChoice, err = strconv.Atoi(strChoice)
@@ -32,6 +36,8 @@ func main() {
 		case 2:
 			fun2()
 			os.Exit(0)
+		case 3:
+			os.Exit(0)
 		default:
 			fmt.Printf("Choose an actual function, please\n")
 			time.Sleep(time.Second)