[racket] Box: When and why?

From: Raoul Duke (raould at gmail.com)
Date: Fri Oct 22 03:47:16 EDT 2010

On Thu, Oct 21, 2010 at 6:38 PM, Shriram Krishnamurthi <sk at cs.brown.edu> wrote:
> There is a variation on what Matthias said, which is when you need a
> shared structure whose value changes but whose representation may
> contain immutable constants.

akin to http://clojure.org/refs ?


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