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Re: About "consing"

From: Kevin Rodgers
Subject: Re: About "consing"
Date: Thu, 28 Feb 2013 08:05:55 -0700
User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.4; en-US; rv: Gecko/20120306 Thunderbird/3.1.20

On 2/28/13 7:23 AM, Xue Fuqiao wrote:
In the doc string of the function `memory-use-counts':

   Return a list of counters that measure how much consing there has been.

I don't know what the "consing" means here.  I only know that `cons' is often
used to add a single element to the front of a list.  But this seems to be
irrelevant to the topic.

And in (info "(elisp) Garbage Collection"):

  -- Function: memory-use-counts
      This returns a list of numbers that count the number of objects
      created in this Emacs session.

Does "consing" mean creating an object here?  Thanks.

Yes: allocating a cons cell.

Kevin Rodgers
Denver, Colorado, USA

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