| // +build ignore,OMIT | |
| package main | |
| import ( | |
| "errors" | |
| "fmt" | |
| "time" | |
| ) | |
| // START OMIT | |
| func doConcurrently(job string, err chan error) { | |
| go func() { | |
| fmt.Println("doing job", job) | |
| time.Sleep(1 * time.Second) | |
| err <- errors.New("something went wrong!") | |
| }() | |
| } | |
| func main() { | |
| jobs := []string{"one", "two", "three"} | |
| errc := make(chan error) | |
| for _, job := range jobs { | |
| doConcurrently(job, errc) | |
| } | |
| for _ = range jobs { | |
| if err := <-errc; err != nil { | |
| fmt.Println(err) | |
| } | |
| } | |
| } | |
| // END OMIT |