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Today's Topics:
1. A post about Currying and Partial application (Petar Radosevic)
2. Re: A post about Currying and Partial application (Peter Hall)
----------------------------------------------------------------------
Message: 1
Date: Fri, 30 Sep 2011 15:59:27 +0200
From: Petar Radosevic <pe...@wunki.org>
Subject: [Haskell-beginners] A post about Currying and Partial
application
To: beginners@haskell.org
Message-ID: <20110930135927.GA1812@wunki-mac-pro.local>
Content-Type: text/plain; charset="utf-8"
Hi,
Like most here I'm also learning the beautiful language called Haskell
and arrived at the subject of Currying. To see if I really understood
the concept, I decided to write a blog post about it.
http://s3.wunki.org/posts/2011-09-30-curry-and-its-partial-application.html
I hope it helps some of the beginners here. Please take a look at it
and let me know if I'm wrong or if I missed something.
Thank you!
--
Petar Rado?evi?, Programmer
wunki.org | @wunki
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Message: 2
Date: Sat, 1 Oct 2011 10:49:31 +0100
From: Peter Hall <peter.h...@memorphic.com>
Subject: Re: [Haskell-beginners] A post about Currying and Partial
application
To: beginners@haskell.org
Message-ID:
<CAA6hAk7CNCf=qzsdwxkjmv98i+xuf+2xombzjyz3z8-4ze_...@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
I think this sentence isn't right:
"Curried functions are functions that only take one parameter."
The way I understand it, a non-curried function takes only one
parameter. Currying is syntactic sugar so you don't have to use
higher-order functions every time you want multiple parameters.
Without currying, if you wanted a function like:
f a b c = 2 * a + b - c
, you'd have to write it something like:
f a = f1
where f1 b = f2
where f2 c = 2 * a + b - c
or
f a = (\b -> (\c -> 2*a + b -c))
Peter
On Fri, Sep 30, 2011 at 2:59 PM, Petar Radosevic <pe...@wunki.org> wrote:
> Hi,
>
> Like most here I'm also learning the beautiful language called Haskell
> and arrived at the subject of Currying. To see if I really understood
> the concept, I decided to write a blog post about it.
>
> http://s3.wunki.org/posts/2011-09-30-curry-and-its-partial-application.html
>
> I hope it helps some of the beginners here. Please take a look at it
> and let me know if I'm wrong or if I missed something.
>
> Thank you!
> --
> Petar Rado?evi?, Programmer
> wunki.org | @wunki
>
> _______________________________________________
> Beginners mailing list
> Beginners@haskell.org
> http://www.haskell.org/mailman/listinfo/beginners
>
>
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