>
>
> package main
>
> import "fmt"
>
> func main() {
> ca := createCounter(2)
> cb := createCounter(102)
> for i := 0; i < 5; i++ {
> a := <-ca
> fmt.Printf("A %d \nB %d \n", a, <-cb)
> }
>
> }
>
> func createCounter(start int) chan int {
> next := make(chan int)
> go func(i int) {
> for {
> next <- i
> i++
> }
> }(start)
> return next
> }
>
>
the output is:
A 2
B 102
A 3
B 103
A 4
B 104
A 5
B 105
A 6
B 106
could anyone can explain why the output is this?
especially, i don't understand when the goroutine will be destroyed,i think
when the createCounter() function returned the goroutine will be killed,
but it seems not ...
thank you
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