28 lines
370 B
Go
28 lines
370 B
Go
package background
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import "time"
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func Repeat(do func(), interval time.Duration) (cancel func()) {
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t := time.NewTicker(interval)
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done := make(chan struct{})
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go func() {
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defer t.Stop()
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for {
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select {
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case <-t.C:
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do()
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case <-done:
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return
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}
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}
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}()
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stopped := false
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return func() {
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if !stopped {
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stopped = true
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close(done)
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}
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}
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}
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