package timeout

import (
	"sync"
	"time"
)

type executeChan struct {
	c    chan bool
	once sync.Once
}

//Run 返回函数f是否被运行
func Run(limit time.Duration, f func()) bool {
	ec := &executeChan{c: make(chan bool), once: sync.Once{}}
	whether := true

	go func() {
		f()
		ec.once.Do(func() {
			ec.c <- true
			close(ec.c)
		})
	}()

	select {
	case <-time.After(limit):
		whether = false
	case <-ec.c:
	}

	return whether
}