unofficial mirror of bug-gnu-emacs@gnu.org 
 help / color / mirror / code / Atom feed
From: Philipp Stephani <p.stephani2@gmail.com>
To: "Mattias Engdegård" <mattiase@acm.org>
Cc: Paul Eggert <eggert@cs.ucla.edu>,
	Stefan Monnier <monnier@iro.umontreal.ca>,
	Andrea Corallo <andrea_corallo@yahoo.it>,
	42147@debbugs.gnu.org
Subject: bug#42147: 28.0.50; pure vs side-effect-free, missing optimizations?
Date: Thu, 2 Jul 2020 21:09:04 +0200	[thread overview]
Message-ID: <CAArVCkSZ1RWZcZWy_pB_u0G3_-bygkVDck7wDR64_K7m0tOJVw@mail.gmail.com> (raw)
In-Reply-To: <D84A18CB-23C3-44BF-995A-2D7D038C26F0@acm.org>

Am Do., 2. Juli 2020 um 12:28 Uhr schrieb Mattias Engdegård <mattiase@acm.org>:
>
> 1 juli 2020 kl. 23.31 skrev Andrea Corallo <andrea_corallo@yahoo.it>:
>
> > Another reason why I'm interested is that I reuse these
> > definitions in the native compiler.
>
> In that case there are probably more functions you may want to consider for purity -- what about:
>
> < > <= >= = /=
> string< string= string-equal
> eq eql equal
> proper-list-p
> identity
> memq memql member
> assq assql assoc

I don't think most of those are pure, as they have to "look into" an
object. For example, the result of "equal" does not only depend on the
argument objects, but also the objects they refer to.





  parent reply	other threads:[~2020-07-02 19:09 UTC|newest]

Thread overview: 98+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1583748933.1069307.1593556032592.ref@mail.yahoo.com>
2020-06-30 22:27 ` bug#42147: 28.0.50; pure vs side-effect-free, missing optimizations? Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-06-30 23:14   ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-01 12:46     ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-01 12:44   ` Mattias Engdegård
2020-07-01 16:08     ` Mattias Engdegård
2020-07-01 21:31       ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-02 10:26         ` Mattias Engdegård
2020-07-02 10:59           ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-02 12:46             ` Mattias Engdegård
2020-07-02 13:56               ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-02 14:51                 ` Mattias Engdegård
2020-07-02 15:32                   ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-02 15:49                   ` Stefan Monnier
2020-07-02 18:01                     ` Mattias Engdegård
2020-07-02 18:55                       ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-02 19:38                       ` Stefan Monnier
2020-07-02 20:09                         ` Paul Eggert
2020-07-03  9:32                           ` Mattias Engdegård
2020-07-03 13:39                             ` bug#42147: Hash-consing bignums (was: bug#42147: 28.0.50; pure vs side-effect-free, missing optimizations?) Stefan Monnier
2020-07-02 20:31                       ` bug#42147: 28.0.50; pure vs side-effect-free, missing optimizations? Paul Eggert
2020-07-02 21:41                       ` Stefan Monnier
2020-07-02 23:16                         ` Paul Eggert
2020-07-03  8:32                           ` Mattias Engdegård
2020-07-03 13:11                             ` Stefan Monnier
2020-07-03 18:35                               ` Mattias Engdegård
2020-07-03 18:43                                 ` Mattias Engdegård
2020-07-03 19:05                                 ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-04 14:58                                   ` Mattias Engdegård
2020-07-04 15:06                                 ` Stefan Monnier
2020-07-04 16:13                                   ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-05 13:00                                     ` Mattias Engdegård
2020-07-05 13:16                                       ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-06 17:20                                         ` Mattias Engdegård
2020-07-06 21:23                                           ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-07 15:54                                             ` Mattias Engdegård
2020-07-07 16:24                                               ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-07 16:55                                                 ` Mattias Engdegård
2020-07-07 17:42                                                   ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-08 19:14                                                   ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-08 21:25                                                     ` Mattias Engdegård
2020-07-08 22:19                                                       ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-09 10:20                                                         ` Mattias Engdegård
2020-07-09 12:47                                                           ` Stefan Monnier
2020-07-09 12:57                                                             ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-09 14:35                                                               ` Stefan Monnier
2020-07-09 15:19                                                                 ` Paul Eggert
2020-07-09 15:37                                                                 ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-05 15:26                                   ` Mattias Engdegård
2020-07-03 18:31                             ` Paul Eggert
2020-07-03 18:47                               ` Mattias Engdegård
2020-07-04 15:57                                 ` Paul Eggert
2020-07-04 16:15                                   ` Eli Zaretskii
2020-07-04 16:27                                     ` Paul Eggert
2020-07-04 16:33                                       ` Stefan Monnier
2020-07-04 16:44                                         ` Mattias Engdegård
2020-07-04 17:00                                         ` Paul Eggert
2020-07-04 18:37                                           ` Pip Cet
2020-07-04 21:05                                             ` Stefan Monnier
2020-07-04 22:25                                               ` Pip Cet
2020-07-05  2:38                                                 ` Eli Zaretskii
2020-07-05  8:28                                                   ` Paul Eggert
2020-07-05  8:39                                                     ` Andreas Schwab
2020-07-05 14:47                                                     ` Eli Zaretskii
2020-07-05 15:30                                                       ` Stefan Monnier
2020-07-06  0:14                                                         ` Paul Eggert
2020-07-05 15:11                                                     ` Stefan Monnier
2020-07-06  0:10                                                       ` Paul Eggert
2020-07-05  9:56                                             ` Paul Eggert
2020-07-05 10:03                                               ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-07-05 23:57                                                 ` Paul Eggert
2020-07-04 19:01                                           ` Mattias Engdegård
2020-07-04 17:10                                       ` Eli Zaretskii
2020-07-04 19:26                                         ` Paul Eggert
2020-07-02 19:09           ` Philipp Stephani [this message]
2020-07-03  9:25             ` Mattias Engdegård
2020-07-25 17:09               ` Philipp Stephani
2020-07-25 18:10                 ` Stefan Monnier
2020-07-25 20:03                   ` Philipp Stephani
2020-07-25 20:07                     ` Stefan Monnier
2020-07-25 20:11                       ` Philipp Stephani
2020-07-25 21:00                         ` Mattias Engdegård
2020-07-25 21:29                           ` Stefan Monnier
2020-07-25 21:39                             ` Philipp Stephani
2020-07-25 22:27                               ` Stefan Monnier
2020-07-29 12:53                                 ` Philipp Stephani
2020-07-29 14:28                                   ` Stefan Monnier
2020-07-25 21:54                             ` Mattias Engdegård
2020-07-25 22:30                               ` Stefan Monnier
2020-07-26  9:05                                 ` Mattias Engdegård
2020-07-29 16:03                                   ` Mattias Engdegård
2020-07-29 20:39                                     ` Stefan Monnier
2020-08-03 15:07                                       ` Mattias Engdegård
2020-08-10 13:39                                         ` Philipp Stephani
2020-08-10 22:07                                           ` Stefan Monnier
2020-08-10 13:42                                       ` Philipp Stephani
2020-08-10 22:10                                         ` Stefan Monnier
2020-07-29 13:10                           ` Philipp Stephani
2020-07-25 21:09                         ` Stefan Monnier

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=CAArVCkSZ1RWZcZWy_pB_u0G3_-bygkVDck7wDR64_K7m0tOJVw@mail.gmail.com \
    --to=p.stephani2@gmail.com \
    --cc=42147@debbugs.gnu.org \
    --cc=andrea_corallo@yahoo.it \
    --cc=eggert@cs.ucla.edu \
    --cc=mattiase@acm.org \
    --cc=monnier@iro.umontreal.ca \
    /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).