From: Luc Maranget <luc.maranget@inria.fr>
To: maf@microsoft.com (Manuel Fahndrich)
Cc: luc.maranget@inria.fr (Luc Maranget),
pixel@mandrakesoft.com (Pixel),
caml-list@pauillac.inria.fr
Subject: Re: [Caml-list] "Or" patterns when both matchings
Date: Wed, 31 Oct 2001 10:42:54 +0100 (MET) [thread overview]
Message-ID: <200110310942.KAA0000010743@beaune.inria.fr> (raw)
In-Reply-To: <BEC4845020047048A9A8616BCFFCA9040238AE57@red-msg-04.redmond.corp.microsoft.com> from "Manuel Fahndrich" at oct 30, 2001 10:22:28
>
> Hmm, I must side with Pixel here. Ease of compilation is rarely a good
> design principle for a programming language. The use of or patterns
> allows one to factor right hand sides as in the example shown below:
>
> | Foo(a)
> | a -> <complicated expression involving a>
>
> If Or-patterns do not follow the first-to-last matching order, then
> producing correct code and reading it becomes more difficult. I wasn't
> aware of the Or-compilation strategy and I'm sure I made this mistake in
> the past as well.
>
> -Maf
>
>
You are right, I missed that point. I'll think about correcting that,
but it is not a trivial change.
Thanks for your feedback,
--Luc
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next prev parent reply other threads:[~2001-10-31 9:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-30 18:22 Manuel Fahndrich
2001-10-31 9:42 ` Luc Maranget [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-10-28 11:02 Pixel
2001-10-29 10:37 ` Luc Maranget
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