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Re: Dybvig's module system and interactivity

From: Mikael Djurfeldt
Subject: Re: Dybvig's module system and interactivity
Date: 21 Dec 2000 16:17:24 +0100
User-agent: Gnus/5.0807 (Gnus v5.8.7) Emacs/20.7

[Will comment more on this letter, and on one from Dirk later.]

Mark Seaborn <address@hidden> writes:

> The way Dybig's units implementation links units is analagous to
> linking C programs by passing around structs of function pointers --
> there are more efficient ways of doing it (such as the way C linkers
> link), which could be exploited by the Scheme implementation.

Actually, the unit implementation in the paper is not adhering to the
semantics defined by Felleisen.  You'll find a version which does
adhere in Oscar Wadell's thesis:

It contains some explanation of the implementation and also
descriptions of the macro system, module system and their object

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