Created
April 19, 2018 22:06
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| package main | |
| import ( | |
| "fmt" | |
| "sync" | |
| "time" | |
| ) | |
| func main() { | |
| var wg sync.WaitGroup | |
| slower_ints := make(chan int, 10) | |
| faster_ints := make(chan int, 10) | |
| wg.Add(1) | |
| go func() { | |
| defer wg.Done() | |
| for i := 0; i < 10000000; i++ { | |
| slower_ints <- i | |
| time.Sleep(time.Millisecond * 500) | |
| } | |
| }() | |
| wg.Add(1) | |
| go func() { | |
| defer wg.Done() | |
| for i := 0; i < 10000000; i++ { | |
| faster_ints <- i | |
| time.Sleep(time.Millisecond * 100) | |
| } | |
| }() | |
| wg.Add(1) | |
| go func() { | |
| defer wg.Done() | |
| ticker := time.NewTicker(time.Second * 5) | |
| ticks := 0 | |
| for { | |
| select { | |
| case i := <-slower_ints: | |
| fmt.Printf("\t\t\tgot my slow int %d\n", i) | |
| go func(i int) { | |
| time.Sleep(time.Second * 3) | |
| fmt.Printf("\t\t\t\t\t\t\t\tFinished sleeping %d\n", i) | |
| }(i) | |
| case f := <-faster_ints: | |
| fmt.Printf("got my fast int %d\n", f) | |
| case <-ticker.C: | |
| ticks += 1 | |
| fmt.Printf("\t\t\t\t\tI ticked again %d\n", ticks) | |
| } | |
| } | |
| }() | |
| wg.Wait() | |
| } |
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