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Re: About fixnums
From: |
Barry Margolin |
Subject: |
Re: About fixnums |
Date: |
Sat, 02 Mar 2013 00:01:08 -0500 |
User-agent: |
MT-NewsWatcher/3.5.3b3 (Intel Mac OS X) |
In article <mailman.21229.1362189416.855.help-gnu-emacs@gnu.org>,
Xue Fuqiao <xfq.free@gmail.com> wrote:
> In (info "(elisp) C Integer Types"):
>
> * Prefer the Emacs-defined type `EMACS_INT' for representing values
> converted to or from Emacs Lisp fixnums, as fixnum arithmetic is
> based on `EMACS_INT'.
>
> What does the "Emacs Lisp fixnum" mean here? I had searched the manual and
> web, but I didn't find anything useful. Can anybody help? Thanks.
It means just what the words say: a fixnum in Emacs Lisp. Fixnum is the
Lisp jargon for fixed-sized integers (as opposed to bignums, which are
practically unbounded -- Emacs Lisp doesn't have these).
--
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
- About fixnums, Xue Fuqiao, 2013/03/01
- Re: About fixnums,
Barry Margolin <=