On Tue, Dec 20, 2022 at 9:21 AM Jason E. Aten <j.e.a...@gmail.com> wrote:

> Shutting down goroutines quickly was needed so often that I wrote a package 
> to help me with it. it is called idem, short for idempotent.
>
> It uses the idea of an idempotent Close of a channel to signal that the 
> goroutine should stop. This is because Go will panic if
> close a channel more than once (i.e. you wish to stop a goroutine from more 
> than one place).  This is a design flaw in channels,
> but we can work around it by using a mutex.

I disagree with it being a design flaw. Quite the opposite, IMO.
Closing a channel more than once reveals a design flaw in the
respective program and panicking is about the only safe thing to do in
that situation.

Working around this safety feature should be discouraged.

-- 
You received this message because you are subscribed to the Google Groups 
"golang-nuts" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to golang-nuts+unsubscr...@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/golang-nuts/CAA40n-UxSkA6ATXsmXyE9NZtXiOLBFpV8FMRK8y9t829Hu02dQ%40mail.gmail.com.

Reply via email to