Say I have:
func DoSomething(ctx context.Context) {
for {
select {
case <- ctx.Done():
return
case <- time.After(time.Second)
// do something
}
}
}
Based on the documentation of context:
Successive calls to Done return the same value.
So for each context there is only one channel, which is returned to every
caller.
Now given receiving on a closed channel never returns, above is not safe. I
can check inside my second case if ctx.Err() is non nil, but its not a very
clean solution.
What would be safe way to use context.Done()? Or am I not understanding
something right?
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