'Equality testing' presentation slideshows

Scalable Pluggable Types

467 views • 34 slides

Announcements

Announcements. HW 3 due today W ill post Scheme project today, due April 3 rd Ask questions on the LMS!. Last Class. Functional Programming Languages Scheme S-expressions, lists cons, car, cdr Defining Functions Recursive Functions Shallow recursion, Deep recursion.

410 views • 32 slides

(define <rat> <pair>) (define (make-rat <function>) (method ((n <integer>) (d <integer>))

(define <rat> <pair>) (define (make-rat <function>) (method ((n <integer>) (d <integer>)) (if (= d 0) (begin (print "zero denominator") (pair 0 1)) (pair n d)))) (define (numer <function>) head) (define (denom <function>) tail) Why not

201 views • 6 slides