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Re: Adding many elements to a list


From: David Kastrup
Subject: Re: Adding many elements to a list
Date: Fri, 18 Sep 2009 16:54:28 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (gnu/linux)

address@hidden (Pascal J. Bourguignon) writes:

> David Kastrup <address@hidden> writes:
>
>> address@hidden (Pascal J. Bourguignon) writes:
>>
>>> So better use (require 'cl) (push new-item list)
>>>    or (cons new-item list)
>>>    or (append (list new-items...) list)
>>
>> (require 'cl) is quite unnecessary for all of the mentioned
>> alternatives.
>
> Not on emacs version < 23.

Nonsense.  push&pop were officially announced in Emacs 21.1.  I may be
mistaken, but I think they have been there even earlier.

And the other options certainly were there from the earliest versions of
GNU Emacs.

-- 
David Kastrup


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