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Functional Programming in Scheme
The Order of Evaluation
Stream example: The sieve of Eratosthenes

The Sieve of Eratosthenes is a more sophisticated example of the use of streams

(define (sieve stream)
     (head stream)
         (lambda (x) (not (divisible? x (head stream))))
         (tail stream)))))

The sieve stream function.

An illustration of the generation of prime numbers in The Sieve of Eratosthenes