>>>>> On Sun, 27 May 2001 15:01:19 +0200, Xavier Leroy <Xavier.Leroy@inria.fr> said:

> With some trickery, you can even implement atoms with property
> lists, type safe but dynamically typed of course.  See the code
> below.  (Warning: the implementation of properties is a real
> mind-twister, using a folklore trick to implement dynamics using
> references and functions that I learnt from Daniel de Rauglaudre,
> although it's been reinvented independently quite a number of
> times.)

Very cute!  But not threadsafe among threads that use the same set of
attributes (unless I missed something).  I point this out simply as a
warning, not because I think it invalidates the (neat) trick.

../Dave
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