From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Subject: Re: Should records be able to mimic primitive types?
Date: Tue, 04 Apr 2017 21:09:41 -0400 [thread overview]
Message-ID: <jwvlgrfbrbb.fsf-monnier+gmane.emacs.devel@gnu.org> (raw)
In-Reply-To: 8777899d-ca8e-212c-b8bf-2f8da4c54836@cs.ucla.edu
> In looking at the 'record' feature recently added to master, I noticed that
> (record 'integer 'foo 'bar) returns a value V such that (type-of V) yields
> the symbol 'integer', even though V is not an integer. Is this intended?
Yes. `record` is just a primitive on top of which we can build things
(e.g. cl-defstruct or EIEIO).
> Or should 'record' and 'make-record' reject attempts to build records
> that pretend to be of primitive types?
I don't see the benefit in trying to try hard to prevent the user from
shooting himself in the foot.
Stefan
next prev parent reply other threads:[~2017-04-05 1:09 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 [this message]
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
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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