From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Subject: Re: Should records be able to mimic primitive types?
Date: Mon, 12 Jun 2017 13:47:52 -0400 [thread overview]
Message-ID: <jwvd1a9xftm.fsf-monnier+gmane.emacs.devel@gnu.org> (raw)
In-Reply-To: 83o9tt3yu4.fsf@gnu.org
>> The reason why I disagree with them is because they are too costly
>> compared to the likelihood they'll ever help catch a bug
> That'd be in the "defenses are too expensive" department, right?
Right. I just wanted to clarify that "expensive" is a relative notion:
in the case under discussion, the extra check is just a single `memq`
test on a fairly short list, so it's pretty cheap in itself; the only
reason why I find it too expensive is that the expected gain is just
extremely small.
Stefan
next prev parent reply other threads:[~2017-06-12 17:47 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-04 22:00 Should records be able to mimic primitive types? Paul Eggert
2017-04-05 1:09 ` Stefan Monnier
2017-04-08 15:09 ` Philipp Stephani
2017-04-08 17:57 ` Stefan Monnier
2017-05-01 11:35 ` Philipp Stephani
2017-05-01 12:03 ` Stefan Monnier
2017-06-10 11:39 ` Philipp Stephani
2017-06-10 12:43 ` Eli Zaretskii
2017-06-12 15:07 ` Philipp Stephani
2017-06-12 17:00 ` Eli Zaretskii
2017-06-12 17:15 ` Stefan Monnier
2017-06-12 17:22 ` Eli Zaretskii
2017-06-12 17:47 ` Stefan Monnier [this message]
2017-06-12 17:40 ` Stefan Monnier
2017-06-16 18:42 ` Philipp Stephani
2017-06-16 19:07 ` Stefan Monnier
2017-09-24 14:47 ` Philipp Stephani
2017-09-24 16:44 ` Stefan Monnier
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