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conn.go中的asyncDo函数加*sync.WaitGroup的作用是什么? #19

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kekemuyu opened this issue Dec 19, 2017 · 0 comments
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conn.go中的asyncDo函数加*sync.WaitGroup的作用是什么? #19

kekemuyu opened this issue Dec 19, 2017 · 0 comments

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@kekemuyu
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kekemuyu commented Dec 19, 2017 •
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func asyncDo(fn func(), wg *sync.WaitGroup) { wg.Add(1) go func() { fn() wg.Done() }() }
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