[racket] metacircular interpreter, lexical scope, environment

From: YC (yinso.chen at gmail.com)
Date: Wed Dec 1 23:13:32 EST 2010

On Wed, Dec 1, 2010 at 7:39 PM, David Van Horn <dvanhorn at ccs.neu.edu> wrote:

> You can't substitute in values for variables that are set!; you need to use
> the techniques in the paper Shriram suggested, but the substitution model
> and effects can be made to work.
> To get the five minute version of Felleisen & Hieb, see this page:
>   http://redex.plt-scheme.org/why-redex.html

Yes that makes sense.  Thanks.

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