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Re: Benchmarking temporary Lisp objects [Was: Re: [RFC] temporary Lisp_S


From: Stefan Monnier
Subject: Re: Benchmarking temporary Lisp objects [Was: Re: [RFC] temporary Lisp_Strings]
Date: Wed, 03 Sep 2014 13:47:34 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux)

> Correct.  We'd need (1) e.g. to build up a list in a loop, and have the list
> survive until function exit.  But on further thought this is
> probably a dangerous feature, since it'll be too tempting to write unbounded
> loops.  So let's not do (1).

Is (2) actually valid?  I mean, are we allowed to refer (via
a reference) to a variable that's in a block we already exited?


        Stefan



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