[racket] Saved continuations

From: Harry Spier (vasishtha.spier at gmail.com)
Date: Wed Sep 5 17:39:33 EDT 2012

Thanks Daniel but the question I was trying to find out was:
Is there a way to save any  valid continuation and be guaranteed that nothing that happens in the program between the time the continuation was saved and the time the saved continuation was invoked will alter the results of invoking the continuation.

D. Herring wrote:
Does an extra (let ...) do what you want, or do you want new bindings for *all* variables that are used in the continuation?
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