GNU bug report logs - #6985
rx patterns don't compose

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Package: emacs;

Reported by: Daniel Colascione <dan.colascione <at> gmail.com>

Date: Sat, 4 Sep 2010 23:37:02 UTC

Severity: wishlist

Tags: fixed, patch

Merged with 36237

Fixed in version 27.1

Done: Noam Postavsky <npostavs <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Daniel Colascione <dan.colascione <at> gmail.com>
To: Andreas Schwab <schwab <at> linux-m68k.org>
Cc: 6985 <at> debbugs.gnu.org
Subject: bug#6985: rx patterns don't compose
Date: Sun, 05 Sep 2010 00:42:28 -0700

On 9/5/10 12:39 AM, Andreas Schwab wrote:
> Daniel Colascione <dan.colascione <at> gmail.com> writes:
>
>> It's not possible to do this currently:
>>
>> (defconst foo-re (rx "abc"))
>> (defconst bar-re (rx (* (what-goes-here? foo-re)))
>
> (defconst bar-re (eval `(rx (* (regexp ,foo-re))))

Or better yet,

(defconst bar-re (rx-to-string `(* (regexp ,foo-re))))

But it's still cumbersome.
This bug report was last modified 5 years and 327 days ago.

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