unofficial mirror of emacs-devel@gnu.org 
 help / color / mirror / code / Atom feed
From: Ihor Radchenko <yantar92@posteo.net>
To: rms@gnu.org
Cc: Thierry Volpiatto <thievol@posteo.net>, emacs-devel@gnu.org
Subject: Re: pcase bindings in patterns with complicated logic
Date: Tue, 16 Jan 2024 13:18:40 +0000	[thread overview]
Message-ID: <87r0ihl8lr.fsf@localhost> (raw)
In-Reply-To: <E1rPaC8-000180-Ey@fencepost.gnu.org>

Richard Stallman <rms@gnu.org> writes:

>   > > (pcase '(1 2 3)
>   > >   ((app cdr `(2 ,c)) (format "Match: %S" c)))
>
> cond* can do this without introducing a special feature for it:
>
>   (cond* ((match* `(2 ,c) (cdr '(1 2 3)))
>           (format "Match: %S" c)))

What about

(pcase '(1 2 3)
  ((and `(1 . ,_)
   (app cdr `(2 ,c)))
     (format "Match: %S" c)))

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>



  reply	other threads:[~2024-01-16 13:18 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-13  3:54 pcase bindings in patterns with complicated logic Richard Stallman
2024-01-13 19:58 ` Ihor Radchenko
2024-01-14  6:58   ` Thierry Volpiatto
2024-01-14  7:27     ` Thierry Volpiatto
2024-01-14 15:42     ` Ihor Radchenko
2024-01-14 15:58       ` Thierry Volpiatto
2024-01-14 16:21         ` Ihor Radchenko
2024-01-14 17:54           ` Thierry Volpiatto
2024-01-16  3:32             ` Richard Stallman
2024-01-16 13:18               ` Ihor Radchenko [this message]
2024-01-18  3:37                 ` Richard Stallman
2024-01-18 13:13                   ` Ihor Radchenko
2024-01-20  3:39                     ` Richard Stallman
2024-01-20 12:48                       ` Ihor Radchenko
2024-01-21  3:06                         ` Richard Stallman
2024-01-21 14:06                           ` Ihor Radchenko
2024-01-23 13:40                             ` Richard Stallman
2024-01-23 15:08                             ` Stefan Monnier via Emacs development discussions.
2024-01-23 19:59                               ` Stefan Monnier via Emacs development discussions.
2024-01-15  3:13   ` Richard Stallman
2024-01-14  7:03 ` Thierry Volpiatto

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87r0ihl8lr.fsf@localhost \
    --to=yantar92@posteo.net \
    --cc=emacs-devel@gnu.org \
    --cc=rms@gnu.org \
    --cc=thievol@posteo.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).