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@limboinf
Created July 4, 2016 05:35
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go select with fibonacci
package main
import (
"fmt"
)
func fib(c, quit chan int) {
x, y := 0, 1
// select 语句使得一个goroutine在多个通讯操作上等待
// select 会阻塞,直到条件分支中的某个可以继续执行,如果有多个可执行,则随机执行一个
for {
select {
case c <- x:
x, y = y, x+y
case <-quit:
fmt.Println("quit")
return
}
}
}
func main() {
c := make(chan int)
quit := make(chan int)
go func() {
for i := 0; i < 10; i++ {
fmt.Println(<-c)
}
quit <- 0
}()
fib(c, quit)
}
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