From: Stefan Monnier <monnier@iro.umontreal.ca>
To: joaotavora@gmail.com (João Távora)
Cc: emacs-devel@gnu.org
Subject: Re: [elpa] master 96e61a9 26/26: Add packages/darkroom by merging its upstream subtree
Date: Sun, 21 Dec 2014 22:04:11 -0500 [thread overview]
Message-ID: <jwvfvc8l72r.fsf-monnier+emacsdiffs@gnu.org> (raw)
In-Reply-To: <m261d4bvme.fsf@gmail.com> ("João Távora"'s message of "Sun, 21 Dec 2014 20:23:05 +0000")
>>> + (mapc #'(lambda (w)
>>> + (with-selected-window w
>>> + (darkroom--set-margins)))
>>> + (get-buffer-window-list (current-buffer))))
>>
>> I recommend the use of `dolist' instead of `mapc' when the body of the
>> loop is provided by an anonymous function and we're looping over a list.
>>
>> If the compiler could tell that we're looping over a list, it could
>> auto-transform the mapc call into a dolist (which is slightly more
>> efficient), but having to expend it to a loop that handles both lists
>> and arrays (like `mapc' does) makes the resulting code no more efficient
>> than just using `mapc'.
>>
> Alright, makes sense. What if I use `(cl-loop for w in ...list...)`
> which is my preferred cl-idiom anyway?
Use whichever you prefer. I was just pointing out the style I tend
to prefer, partly for efficiency reasons (and also because I haven't
managed to plug that efficiency problem in the optimizer).
Stefan
next prev parent reply other threads:[~2014-12-22 3:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20141219190721.4296.62862@vcs.savannah.gnu.org>
[not found] ` <E1Y22th-0001CI-3B@vcs.savannah.gnu.org>
2014-12-19 21:48 ` [elpa] master 96e61a9 26/26: Add packages/darkroom by merging its upstream subtree Stefan Monnier
2014-12-21 20:23 ` João Távora
2014-12-22 3:04 ` Stefan Monnier [this message]
2014-12-22 8:51 ` João Távora
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=jwvfvc8l72r.fsf-monnier+emacsdiffs@gnu.org \
--to=monnier@iro.umontreal.ca \
--cc=emacs-devel@gnu.org \
--cc=joaotavora@gmail.com \
/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.