Would this work?
select {
case val := <-high:
continue
default:
}
select {
case val := <-high:
case val := <-high:
case val := <-high:
case val := <-low:
}
On Monday, July 23, 2012 at 2:16:16 PM UTC-7, Erwin wrote:
>
> Hello,
>
> i wonder how to implement channel priorities nicely. Say there are two
> channels, one with a higher priority than the other, and a goroutine
> waiting for incoming data on these channels. I have read that select picks
> a random case when multiple channels are ready. I thought of nesting
> selects: putting the lower priority select in the default case of the
> higher priority select, and have the default case of the inner (low
> priority) select do nothing. This leads to a kind of busy wait loop. I
> could call a short sleep, but that still isn't very clean. Is there a
> better way?
>
> Why aren't the select cases evaluated in order?
>
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