[Haskell-cafe] Handling exceptions or gracefully releasing resources

Felipe Almeida Lessa felipe.lessa at gmail.com
Wed Jan 30 13:47:34 CET 2013

Everything that Johan Tibell said + you may be interested in the
resourcet package [1] (which is used by conduit to handle resources).


[1] http://hackage.haskell.org/package/resourcet

On Tue, Jan 29, 2013 at 8:59 PM, Thiago Negri <evohunz at gmail.com> wrote:
> `Control.Exception.bracket` is a nice function to acquire and release a
> resource in a small context.
> But, how should I handle resources that are hold for a long time?
> Should I put `Control.Exception.finally` on every single line of my
> finalizers?
> What exceptions may occur on an IO operation?
> Every IO function has the risk of throwing an exception?
> Thanks,
> Thiago.
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