Go每日一题_166

package main

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

func main() {
    runtime.GOMAXPROCS(1)

    var wg sync.WaitGroup
    wg.Add(257)
    for i := 1; i <= 257; i++ {
        go func(i int) {
            fmt.Println(i)
            wg.Done()
        }(i)
    }
    wg.Wait()
}