[Haskell-cafe] pattern match failure as control structure
d.w.mead at gmail.com
Tue Nov 10 15:05:55 EST 2009
thanks, i've got it working
i'll probably post the code when i'm done
On Tue, Nov 10, 2009 at 3:01 PM, Nicolas Pouillard
<nicolas.pouillard at gmail.com> wrote:
> Excerpts from Dan Mead's message of Tue Nov 10 20:23:26 +0100 2009:
>> i think that may be too in depth.
>> all i'm trying to do is catch a regular pattern match exception
>> On Tue, Nov 10, 2009 at 5:50 AM, Roel van Dijk <vandijk.roel at gmail.com> wrote:
>> > Have a look at this recently uploaded package:
>> > http://hackage.haskell.org/package/first-class-patterns
>> > Examine the "tryMatch" function in particular.
> You can do this with Control.Exception.evaluate . However
> while it looks like what you want I recommend you to not use
> it too often, catching "error" calls is not the best way of using
> Haskell. However if this is for debugging purpose or setting up
> a global exception catcher for a final product then this is fine.
> : http://www.haskell.org/ghc/docs/latest/html/libraries/base/Control-Exception.html#8
> Nicolas Pouillard
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