2020-07-26 17:09:05 +08:00
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package syncx
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import "sync"
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2021-05-10 00:09:00 +08:00
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// Once returns a func that guarantees fn can only called once.
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2020-07-26 17:09:05 +08:00
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func Once(fn func()) func() {
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once := new(sync.Once)
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return func() {
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once.Do(fn)
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}
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}
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