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Marc Vertes
2e8808317f
Do not attempt to init a non-existent channel setting when in default communication clause in select. Fixes #1442.
45 lines
579 B
Go
45 lines
579 B
Go
package main
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import (
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"fmt"
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"time"
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)
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const (
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period = 300 * time.Millisecond
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precision = 30 * time.Millisecond
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)
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func main() {
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counter := 0
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p := time.Now()
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ticker := time.NewTicker(period)
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ch := make(chan int)
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go func() {
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for i := 0; i < 3; i++ {
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select {
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case t := <-ticker.C:
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counter = counter + 1
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ch <- counter
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if d := t.Sub(p) - period; d < -precision || d > precision {
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fmt.Println("wrong delay", d)
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}
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p = t
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}
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}
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ch <- 0
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}()
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for c := range ch {
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if c == 0 {
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break
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}
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println(c)
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}
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}
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// Output:
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// 1
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// 2
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// 3
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