Scheme - how do I convert a letrec to a nested let?

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how do I convert a letrec to a nested let?

TheGist

2006-09-19, 7:04 pm

I wrote the following to convert a let to the appropriate lambdas.
(define (let->lambda exp)
(let
((vars (map car (cadr exp)))
(vals (map cadr (cadr exp)))
(body (caddr exp)))
(cons (list 'lambda vars body) vals)
)
)
Now, I am having a very hard time doing a similar trick for
letrec(well, and let* too ;)
Can anyone here shed some light on a good approach to take with this?
Thanks!

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