生产者消费者模型

package main
import (
    "fmt"
    "time"
)
func main() {
    ch := make(chan int, 64)
    go producer(1, ch)
    go producer(5, ch)
    go consumer(ch)
    time.Sleep(time.Second * 5)
}
// 生产者
func producer(factor int, out chan int) {
    for i := 0; ; i++ {
        out <- i * factor
    }
}
// 消费者
func consumer(in chan int) {
    for v := range in {
        fmt.Println(v)
    }
}