[Haskell-cafe] CPS and the product function

michael rice nowgate at yahoo.com
Mon Apr 20 10:32:47 EDT 2009

Hi Eugene,

Clever solution.

It didn't come right back so I interrupted it. Guess it would do all those multiplies by zero.

Does anyone know how to define it to avoid that?



--- On Mon, 4/20/09, Eugene Kirpichov <ekirpichov at gmail.com> wrote:

From: Eugene Kirpichov <ekirpichov at gmail.com>
Subject: Re: [Haskell-cafe] CPS and the product function
To: "michael rice" <nowgate at yahoo.com>
Cc: haskell-cafe at haskell.org
Date: Monday, April 20, 2009, 9:40 AM

Check that by experiment in ghci or by looking at the source:

Prelude*> product [0..]

Or search "product" at http://holumbus.fh-wedel.de/hayoo/hayoo.html
and click on one of the Source links.

2009/4/20 michael rice <nowgate at yahoo.com>:
> I've been looking at CPS in Haskell and wondering how many multiplications
> the product function performs if it encounters a zero somewhere in the input
> list. Zero?
> Does anyone know the definition of the product function?
> Michael
> _______________________________________________
> Haskell-Cafe mailing list
> Haskell-Cafe at haskell.org
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Eugene Kirpichov
Web IR developer, market.yandex.ru

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