GNU bug report logs - #20268
25.0.50; pcase-lambda broken

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Package: emacs;

Reported by: Leo Liu <sdl.web <at> gmail.com>

Date: Tue, 7 Apr 2015 07:43:02 UTC

Severity: wishlist

Found in version 25.0.50

Fixed in version 29.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Message #26 received at 20268 <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>, Philipp Stephani
 <p.stephani2 <at> gmail.com>
Cc: Leo Liu <sdl.web <at> gmail.com>, 20268 <at> debbugs.gnu.org
Subject: RE: bug#20268: 25.0.50; pcase-lambda broken
Date: Wed, 8 Apr 2015 13:31:55 -0700 (PDT)

> I.e. the code you'd have written without pcase-let would have been
> 
>       (let ((a (foo))
>             (b (car foo))
>             (c (nth 2 foo)))
> 
> which would naturally turn into a pattern like `(,b ,_ ,c)

Just out of curiosity, what was the reason we didn't go in the
direction of Common Lisp's `destructuring-bind' etc., which would
let you write just (a b c) instead of `(,b ,_ ,c)?
This bug report was last modified 3 years and 156 days ago.

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