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package main
import "fmt" import "time"
func worker(id int, jobs <-chan int, results chan<- int) { for j := range jobs { fmt.Println("worker", id, "processing job", j) time.Sleep(time.Second) results <- j * 2 } }
func main() {
jobs := make(chan int, 100) results := make(chan int, 100)
for w := 1; w <= 3; w++ { go worker(w, jobs, results) }
for j := 1; j <= 9; j++ { jobs <- j } close(jobs)
for a := 1; a <= 9; a++ { <-results } }
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