From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Devon Sean McCullough <Emacs-hacker@Jovi.Net>
Cc: 5689@debbugs.gnu.org
Subject: bug#5689: looking-back-p
Date: Sat, 06 Mar 2010 16:21:54 -0500 [thread overview]
Message-ID: <jwv3a0dno6d.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <201003061829.o26ITkgP006003@jovi.net> (Devon Sean McCullough's message of "Sat, 6 Mar 2010 13:29:46 -0500 (EST)")
> Please include the missing looking-back-p
looking-back is a function that people should generally try to avoid,
because it's very costly and its behavior is not always as people
might expect. So if anything, I'd rename it to
do-something-like-looking-at-but-going-backward and would definitely
refrain from providing a "-p" alternative that would make it sound like
"it's more lightweight" even tho it's actually even worse (tho
unnoticeably so).
Stefan
next prev parent reply other threads:[~2010-03-06 21:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-06 18:29 bug#5689: looking-back-p Devon Sean McCullough
2010-03-06 21:21 ` Stefan Monnier [this message]
2010-03-07 12:17 ` Andreas Röhler
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