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Re: Improved (and faster) reader

From: Ludovic Courtès
Subject: Re: Improved (and faster) reader
Date: Sat, 25 Aug 2007 10:23:53 +0200
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux)


Kevin Ryde <address@hidden> writes:

> By the way, what does that option actually do.  The manual just says
> "Copy source code expressions", which doesn't leave me any the wiser.

This has to do with unmemoization when debugging: a copy of the
unmemoized expression is attached to the source properties of the
original expression (the one that is going to be memoized), and then
`procedure-source' can do "scm_source_property (body, scm_sym_copy);" to
get the unmemoized expression back.


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