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;;;; License: CC0-1.0
#lang racket
(provide make-segment
start-segment
end-segment)
(define (make-segment start end)
(cons start end))
(define (start-segment s)
(car s))
(define (end-segment s)
(cdr s))
;;; tests
(module+ tests
(require rackunit
"46.rkt")
(define v-start (make-vect 1 2))
(define v-end (make-vect 3 4))
;; test make-segment
(define seg (make-segment v-start v-end))
(check-equal? (car seg) v-start)
(check-equal? (cdr seg) v-end)
;; test start-segment
(check-equal? (start-segment seg) v-start)
(check-equal? (end-segment seg) v-end)
"all tests ran")
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