[GO] goroutine

package main

import (
    "fmt"
    "runtime"
    "sync"
)

func init() {
    fmt.Println("Current Go Version:", runtime.Version())
}
func main() {
    runtime.GOMAXPROCS(1)
    count := 10
    wg := sync.WaitGroup{}
    wg.Add(count * 2)
    for i := 0; i < count; i++ {
        go func() {
            fmt.Printf("[%d]", i)
            wg.Done()
        }()
    }
    for i := 0; i < count; i++ {
        go func(i int) {
            fmt.Printf("-%d-", i)
            wg.Done()
        }(i)
    }
    wg.Wait()
}