all messages for Emacs-related lists mirrored at yhetil.org
 help / color / mirror / code / Atom feed
From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Andrew Hyatt <ahyatt@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: pcase defuns
Date: Sun, 27 Mar 2022 05:31:11 -0400	[thread overview]
Message-ID: <jwv8rsvbvbs.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <m2ils0zk55.fsf@andrews-mbp.lan> (Andrew Hyatt's message of "Sat,  26 Mar 2022 13:41:26 -0400")

> (defun-pattern fibonacci
>    "Compute the fibonacci sequence."
>     ((0) 0)
>     ((1) 1)
>     ((n)
>       (+ (fibonacci (- n 1))
>            (fibonacci (- n 2)))))

If you go and benchmark this function, you'll see that its
performance sucks even more than the usual naive fibonacci that it
appears to be implementing.


        Stefan




  reply	other threads:[~2022-03-27  9:31 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-19  4:53 pcase defuns Andrew Hyatt
2021-12-19  8:34 ` Tassilo Horn
2021-12-19 15:33   ` Andrew Hyatt
2021-12-19 17:16     ` Tassilo Horn
2021-12-19 19:05       ` Stefan Monnier
2021-12-20  5:56         ` Tassilo Horn
2021-12-22 14:07   ` LdBeth
2021-12-19 17:23 ` Stefan Monnier
2021-12-19 21:08   ` Andrew Hyatt
2021-12-21  4:15     ` Richard Stallman
2021-12-21  5:20       ` Andrew Hyatt
2021-12-22  4:18         ` Richard Stallman
2021-12-23  1:52           ` Andrew Hyatt
2021-12-24  4:13             ` Richard Stallman
2021-12-21 15:32     ` Stefan Monnier
2021-12-20  4:43 ` Richard Stallman
2021-12-23  2:30 ` Po Lu
2022-03-26 17:41 ` Andrew Hyatt
2022-03-27  9:31   ` Stefan Monnier [this message]
2022-03-27 18:17     ` Andrew Hyatt
2022-03-28  4:15   ` Richard Stallman
2022-03-30  1:28     ` Andrew Hyatt
2022-03-31  4:27       ` Richard Stallman
2022-04-17 22:09         ` Andrew Hyatt
2022-04-19  3:48           ` Richard Stallman

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

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

  git send-email \
    --in-reply-to=jwv8rsvbvbs.fsf-monnier+emacs@gnu.org \
    --to=monnier@iro.umontreal.ca \
    --cc=ahyatt@gmail.com \
    --cc=emacs-devel@gnu.org \
    /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 external index

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

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.