[Haskell-cafe] Correct way to "catch all exceptions"

Michael Snoyman michael at snoyman.com
Thu Jul 11 18:57:02 CEST 2013

On Thu, Jul 11, 2013 at 6:07 PM, Felipe Almeida Lessa <
felipe.lessa at gmail.com> wrote:

> On Thu, Jul 11, 2013 at 10:56 AM, Michael Snoyman <michael at snoyman.com>
> wrote:
> > The only
> > approach that handles the situation correctly is John's separate thread
> > approach (tryAll3).
> I think you meant "tryAll2" here.  Got me confused for some time =).
> Cheers,
> --
> Felipe.

Doh, yes, I did, thanks for the clarification.

After playing around with this a bit, I was able to get an implementation
of try, catch, and handle which work for any non-async exception, in monad
transformers which are instances of MonadBaseControl (from monad-control).
I'll try to write up my thoughts in something more coherent, likely a blog

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