Multi mode concurrent implementation of tortoise and rabbit race in go language

In the ocean of code , More than 70 or 80 kinds can be written , Here are three kinds of posts .

If help , Welcome to collect ！

background

A race between the hare and the tortoise
Run at your own pace , Suppose the rabbit runs once 1.1 rice , The tortoise ran at once 0.2 rice ;
Start timing uniformly , The race will not be over until both of them finish running .

Catalog

posture 1

posture 2

posture 3

---

posture 1

use WaitGroup

func main() {
   var (
      Total float64 = 5 //  Because the tortoise runs slowly, it is not easy to observe and print , So make it smaller 

      RabbitAdd = 1.1
      TurtleAdd = 0.2
   )

   start := time.Now().UnixNano()
   wg := sync.WaitGroup{}
   wg.Add(1)

   //  The rabbit 
   go func() {
      defer wg.Done()