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This article mainly explains "how to understand and master the Go advanced concurrent mode timer". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn how to understand and master the Go advanced concurrent mode timer.

Preface

If you think it's easy to combine Goroutines to deal with time and counters, you're wrong. Here are some time.Timer-related issues or bug:

Time: Timer.Reset is not possible to use correctly # 14038 [1]

Time: Timer.C can still trigger even after Timer.Reset is called # 11513 [2]

Time: document proper usage of Timer.Stop # 14383 [3]

After reading the link above, if you still think it's simple, take a look at the following code, which creates deadlocks and race conditions

Tm: = time.NewTimer (1) tm.Reset (100 * time.Millisecond)

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