37 lines
651 B
Go
37 lines
651 B
Go
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package time
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import "unsafe"
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type Ticker struct {
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C <-chan Time // The channel on which the ticks are delivered.
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}
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func NewTicker(d Duration) *Ticker {
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if d <= 0 {
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panic("non-positive interval for NewTicker")
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}
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c := make(chan Time, 1)
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t := &Timer{C: c}
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t.C = c
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startTimer(&t.r)
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return (*Ticker)(unsafe.Pointer(t))
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}
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func (t *Ticker) Stop() {
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stopTimer(&(*Timer)(unsafe.Pointer(t)).r)
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}
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func (t *Ticker) Reset(d Duration) {
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if d <= 0 {
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panic("non-positive interval for Ticker.Reset")
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}
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resetTimer(&(*Timer)(unsafe.Pointer(t)).r, when(d))
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}
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func Tick(d Duration) <-chan Time {
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if d <= 0 {
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return nil
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}
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return NewTicker(d).C
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}
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