Wait for goroutines

---

examples/wait-for-goroutines/wait_for_goroutines.go

package main

import (
    "fmt"
    "sync"
)

func count(n int, name string) {
    for i := 1; i <= n; i++ {
        fmt.Printf("%v %v\n", name, i)
    }
}

func main() {
    fmt.Println("Start")
    var wg sync.WaitGroup

    wg.Add(1)

    go func() {
        count(5, "Apple")
        wg.Done()
    }()

    wg.Wait()
    fmt.Println("End")
}

Start
Apple 1
Apple 2
Apple 3
Apple 4
Apple 5
End