From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Nicolas Petton <nicolas@petton.fr>
Cc: Bozhidar Batsov <bozhidar@batsov.com>, emacs-devel <emacs-devel@gnu.org>
Subject: Re: New macro `seq-let' in seq.el
Date: Tue, 05 May 2015 15:56:57 -0400 [thread overview]
Message-ID: <jwvy4l2vm64.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <87h9rqlvlq.fsf@petton.fr> (Nicolas Petton's message of "Tue, 05 May 2015 20:36:49 +0200")
> PS: `pcase--u1' is pretty long (almost 200 loc), is there any reason not
> to refactor it? As it is now I will have a very hard time understanding
> what is does exactly.
You shouldn't need to know how pcase--u1 works.
You just need to write a pcase-macro which turns (seq ...) patterns into
other (more primitive) pcase patterns. E.g. it could turn (seq a b)
into a pattern like (and (pred seq-p) (app (elt 0) a) (app (elt 1) b)).
Stefan
next prev parent reply other threads:[~2015-05-05 19:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-01 17:37 New macro `seq-let' in seq.el Nicolas Petton
2015-05-05 16:25 ` Bozhidar Batsov
2015-05-05 18:36 ` Nicolas Petton
2015-05-05 19:56 ` Stefan Monnier [this message]
2015-05-05 20:15 ` Nicolas Petton
2015-05-06 3:08 ` Stefan Monnier
2015-05-06 3:46 ` Nicolas Petton
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