dongluo3962 2017-02-18 22:16
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len(通道)在Go线程安全吗?

A channel can potentially be used by multiple Go routines. Is getting the length of the channel by using len(channel) from some of the Go routines thread-safe?

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  • dongmeng1875 2017-02-18 22:26
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    It kind of depends on your use case

    it is indeed safe to call, but the result cannot be trusted when other goroutines are sending / taking from that channel

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