On Wednesday, April 4, 2018 at 11:32:10 AM UTC-4, wilby yang wrote:
> I am new to golang and I am not sure if it is a stupid question. I am 
> reading the slides of Rob Pike on go concurrency patterns in 2012. I 
> think there is a resource leak in the below function. As the function will 
> return after the first send&receive pair happens on channel c, the other 
> goroutines trying to send on channel c will be blocked and prevents 
> resources GC. Anyone knows golang well can confirm this? If it is resource 
> leak, how can I detect it using what kind of golang tooling?

yes. it is a resource leak.

> down votefavorite 
> <https://stackoverflow.com/questions/49648380/i-want-a-confirmation-from-some-golang-master-about-if-there-is-a-resource-leak#>
> func First(query string, replicas ...Search) Result {
>   c := make(chan Result)
>   searchReplica := func(i int) {
>     c <- replicas[i](query)
>   }
>   for i := range replicas {
>     go searchReplica(i)
>   }
>   return <-c}

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