#lang racket (require (planet wcy/mpost-wrapper)) (provide main) (define (A-B-C) (values (point 0 0) (point '1cm 0) (point 0 '1cm))) (define (main) (call-with-values A-B-C (lambda (A B C) (draw (op-- A B)) (draw (op-- B C) #:dashed 'evenly) (draw (op-- C A) #:dashed 'withdots) )))