[Haskell-cafe] Using the ContT monads for early exits of IO ?

[Tim Wawrzynczak]

Actually, on second thought, Lennart is probably right.  Continuations are
probably overkill for this situation.
Since not wanting to continue is probably an 'erroneous condition,' you may
as well use Error.

Cheers,
 - Tim

2010/6/10 Lennart Augustsson <lennart at augustsson.net>

> I would not use the continuation monad just for early exit.  Sounds
> like the error monad to me.
>
> 2010/6/10 Günther Schmidt <gue.schmidt at web.de>:
> > Hi everyone,
> >
> > I'm about to write a rather lengthy piece of IO code. Depending on the
> > results of some of the IO actions I'd like the computation to stop right
> > there and then.
> >
> > Now I know in general how to write this but I'm wondering if this is one
> of
> > those occasions where I should make use of the Cont monad to make an
> early
> > exit.
> >
> > Günther
> >
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