[plt-scheme] scheme_weak_reference and MZ_PRECISE_GC

From: David Hansen (david.hansen at gmx.net)
Date: Tue Sep 9 04:57:01 EDT 2008


what's the alternative to scheme_weak_reference() if MZ_PRECISE_GC is
defined?  Shall I use a finalizer and the fixup callback?  And how would
I use the fixup callback?

I'm currently playing around with 

Welcome to MzScheme v4.1 [3m], Copyright (c) 2004-2008 PLT Scheme Inc.

BTW, the docs don't mention that the weak reference function aren't
available with 3m.


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