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Re: [r6rs-discuss] [Scheme-reports] match.scm

To: Jim Wise <jwise@x>
Subject: Re: [r6rs-discuss] [Scheme-reports] match.scm
From: Peter Kourzanov <peter.kourzanov@x>
Date: Wed, 15 Dec 2010 21:03:08 +0100
Cc: r6rs-discuss@x, Alex Shinn <alexshinn@x>, scheme-reports@x
In-reply-to: <87pqt2dde8.fsf@gondolin.draga.com>
References: <AANLkTik7FEFGKpvs0hSZs8_q=-XRw7FfdV0v+TKLge49@mail.gmail.com> <1292441556.2548.45.camel@io> <87pqt2dde8.fsf@gondolin.draga.com>

On Wed, 2010-12-15 at 14:50 -0500, Jim Wise wrote:
> 
> What is the use case for special-casing numbers?
> 

Abbreviate (or 42 42.0) by (= 42)? There is a special
equality for numbers, so any complete pattern matcher
should be able to make use of it (if we aim for 
completeness, that is).

I.d. for other numeric operators...

Are there any Scheme's for which (= 42.0 42) equals #f?

Pjotr

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References:
- Re: [Scheme-reports] match.scm
  - From: Alex Shinn <alexshinn@x>
- Re: [Scheme-reports] match.scm
  - From: Peter Kourzanov <peter.kourzanov@x>
- Re: [Scheme-reports] match.scm
  - From: Jim Wise <jwise@x>

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