Created
December 26, 2015 14:20
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Concurrency programming example: test user reflexes
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| package main | |
| import ( | |
| "bufio" | |
| "fmt" | |
| "math/rand" | |
| "os" | |
| "time" | |
| ) | |
| func init() { | |
| rand.Seed(time.Now().UnixNano()) | |
| } | |
| func main() { | |
| channel := make(chan time.Time) | |
| go func() { | |
| reader := bufio.NewReader(os.Stdin) | |
| reader.ReadString('\n') | |
| channel <- time.Now() | |
| }() | |
| time.Sleep(time.Second * time.Duration(rand.Intn(11))) | |
| paused := time.Now() | |
| fmt.Println("GO!") | |
| entered := <- channel | |
| if paused.Sub(entered) > 0 { | |
| fmt.Println("FAIL") | |
| } else { | |
| fmt.Printf("%v\n", time.Since(entered)) | |
| } | |
| } |
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you have an error in line 32; should be "entered.Sub(paused)"