摘要: sicp每日一题[2.47] Exercise 2.47 Here are two possible constructors for frames: (define (make-frame origin edge1 edge2) (list origin edge1 edge2)) (define (make-frame or 阅读全文
posted @ 2024-10-17 08:40 再思即可 阅读(13) 评论(0) 推荐(0)