(import (srfi srfi-41))
(define fizzbuzz
(stream-map
(lambda (x y) (or x y))
(stream-constant #f #f "fizz" #f "buzz" "fizz" #f #f "fizz" "buzz" #f "fizz" #f #f "fizzbuzz" )
(stream-from 1)))
(stream-for-each (lambda (x) (format #t "~A\n" x)) (stream-take 100 fizzbuzz))