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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Power-set/Racket/power-set.rkt Normal file
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;;; Direct translation of 'functional' ruby method
(define (powerset s)
(for/fold ([outer-set (set(set))]) ([element s])
(set-union outer-set
(list->set (set-map outer-set
(λ(inner-set) (set-add inner-set element)))))))