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Paste # 8281 | ||
2019-04-23 14:32:35 | ||
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=>
eval:2:0: begin (possibly implicit): no expression after a
sequence of internal definitions
in: (begin (if (null? xs) null (cons (f (car xs)) (map f
(cdr xs)))) (define xs (quote (1 2 3 4))) (define f (lambda
(x) (+ x 1))) (map (lambda (x) (+ x 1)) xs) (define (filter
f xs) (if (null? xs) null (if (f car xs)) (quasiquote (cons
(car xs) (filter f (...