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Re: frames vs. weak hash tables and garbage collection


From: Joe Wells
Subject: Re: frames vs. weak hash tables and garbage collection
Date: Sat, 29 Sep 2007 17:20:40 +0100
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux)

Richard Stallman <address@hidden> writes:

>     But it seems that `values' is never flushed, so it is a source of leaks.
>     We should probably fix it (I'd remove it since almost noone even knows 
> that
>     it exists, but I guess Richard uses it once in a blue moon).
>
> I don't use it myself.  I put it in because a history of values
> is a useful thing for any read-eval-print loop.  We could delete it,
> but it might be better to do more to inform people about it.
> For instance, mention it in the text in the *scratch* buffer.
>
> Then they might indeed find it useful.  Or if they don't,
> we could delete it.
>
> I agree with the suggestion to truncate it to a specified maximum
> length.  How about 40?

Personally, I can't remember using anything more than (car values).
Maybe once I used something older than the most recent addition to the
list.

So it seems to me a length of 3 would probably be plenty.

By the way, the name “values” is not good.  I would suggest
“eval-expression-recent-values”.

-- 
Joe




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