#lang s-exp "../../lang/wescheme.ss" (printf "define-struct.rkt\n") (define-struct p (x y)) "should be a structure: " (make-p 3 4) (check-expect (p? (make-p 3 4)) true) (check-expect (p-x (make-p 3 4)) 3) (check-expect (p-y (make-p 3 4)) 4)