'Stream car' presentation slideshows

???? ????? ????? ????? ???? Scheme

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???? ????? ????? ????? ???? Scheme

???? ????? ????? ????? ???? Scheme. ????? 10. Streams. 3.5, pages 316-352 definitions file on web. 2. cons, car, cdr. (define s (cons 9 (begin (display 7) 5))) -> prints 7 The display command is evaluated while evaluating the cons. (car s) -> 9 (cdr s) -> 5. 3.

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Lecture 17

Lecture 17. OO, the notion of inheritance. Stacks in OO style. ( define (make-stack) (let ((top-ptr '())) (define (empty?) (null? top-ptr)) (define (delete!) (if (null? top-ptr) (error . . .) (set! top-ptr (cdr top-ptr))) top-ptr )

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Lecture 17

Lecture 17. OO, the notion of inheritance. Stacks in OO style. ( define (make-stack) (let ((top-ptr '())) (define (empty?) (null? top-ptr)) (define (delete!) (if (null? top-ptr) (error . . .) (set! top-ptr (cdr top-ptr))) top-ptr )

324 views • 32 slides