You use streams a la SRFI-41 for this. | Hacker News

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		davexunit on Jan 11, 2014 \| parent \| context \| favorite \| on: A Worst Case for Functional Programming? You use streams a la SRFI-41 for this.

brudgers on Jan 12, 2014 [–]

Or Lazy Racket [in so far as Racket is a Scheme].

http://docs.racket-lang.org/lazy/

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