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Today's Topics:
1. Re: Conditionals where more than one case is true
(PATRICK BROWNE)
----------------------------------------------------------------------
Message: 1
Date: Mon, 17 Apr 2017 14:27:58 +0100
From: PATRICK BROWNE <patrick.bro...@dit.ie>
To: The Haskell-Beginners Mailing List - Discussion of primarily
beginner-level topics related to Haskell <beginners@haskell.org>
Subject: Re: [Haskell-beginners] Conditionals where more than one case
is true
Message-ID:
<cagflrkf7lcvl2wc+bb2poeplztawjdmexwfthc0cojmvvad...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Francesco,
Yes, what I was looking for.
Thanks,
Pat
On 17 April 2017 at 11:54, Francesco Ariis <fa...@ariis.it> wrote:
> On Mon, Apr 17, 2017 at 11:26:07AM +0100, PATRICK BROWNE wrote:
> > I can apreciate that the program works when the first guard condition is
> > met (faster Bob Joe).
> > I am not sure why it fails on the second case (faster Bob Joe)
>
> Your `fact` function is the one that is partial
>
> fact Buffalo Bob = True
> fact Pig Joe = True
> fact Slug Steve = True
> -- what if all those patterns fail?
>
> You should add a line to handle "every other case", like
>
> fact Buffalo Bob = True
> fact Pig Joe = True
> fact Slug Steve = True
> fact _ _ = False
>
> Does that help?
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