[Haskell-beginners] A first try

David Place d at vidplace.com
Tue Jun 28 14:56:16 CEST 2011

On Jun 28, 2011, at 8:39 AM, Heinrich Apfelmus wrote:

> There is still a return value, but  withFile  makes sure that it's evaluated to WHNF. If you choose a = (), then you're fine, otherwise it's not entirely foolproof.

Yes, I was wondering about this.  Since it is still possible to get in trouble in exactly the same way, why is this an improvement over withFile?  If you return () from withFile, you have the same benefit.

David Place   
Owner, Panpipes Ho! LLC
d at vidplace.com

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