package main
import (
"fmt"
"math/rand"
"time"
)
func p() {
for i := 0; i < 2; i++ {
fmt.Println(i)
time.Sleep(time.Second * 1)
}
}
func sell(c chan int) {
for {
num := <-c
fmt.Println("sell", num, "bread")
}
}
func produce(c chan int) {
for {
num := rand.Intn(10)
t := time.Duration(num)
fmt.Println("product", num, "bread")
c <- num
time.Sleep(time.Second * t)
}
}
func main() {
//go关键字+函数名即可启动一个go routine:
go p()
var input string
fmt.Scanln(&input)
fmt.Println("End")
//go routine使用channel来进行routine间的通信
//显示结果也证明，channel的使用规则
var c chan int = make(chan int)
go sell(c)
go produce(c)
var input2 string
fmt.Scanln(&input2)
fmt.Println("end")
}
