[plt-scheme] about letrec and continuation : which behavior is correct ? and why ?

From: Matthias Felleisen (matthias at ccs.neu.edu)
Date: Wed Aug 20 14:33:31 EDT 2008

On Aug 20, 2008, at 2:27 PM, Joe Marshall wrote:

> Which, frankly, is a better way of writing this than the letrec
> because it is obvious that some side-effecting is going on in
> order to create magic circular structure such that
> (eq? x ((car x))) could evaluate to #t.


Posted on the users mailing list.