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Re: case-lambda* question

From: Ludovic Courtès
Subject: Re: case-lambda* question
Date: Mon, 14 Jan 2013 13:22:28 +0100
User-agent: Gnus/5.130005 (Ma Gnus v0.5) Emacs/24.2 (gnu/linux)


Andy Wingo <address@hidden> skribis:

> So, the story here is fairly simple, but the result is complicated.

Woow, thanks for the clear and thorough explanation!


> Again, considering the first clause:
>     ((lambda* (a #:key x) 3) 1 2 3)
> Does it apply?  It shouldn't: there are three positional arguments,
> whereas only one is expected.  However, Guile currently thinks that it
> does, in the case-lambda* context, because it only checks that there is
> at least one positional argument.  This is probably a bug.
> The attached patch fixes the problem.  If there are no comments against
> it, I will apply it to stable-2.0.  It does introduce a slight
> incompatibility, but I don't think there are many case-lambda* users,
> and it makes cases work that previously failed to work.

Yes, makes sense to me.


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