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嗨,我在使用带有列表缩写的初学者时遇到了麻烦,我不知道如何在给定 make-posns 列表的情况下找到最小 posn-x。任何帮助,将不胜感激!
评论中讨论的汇编:
(define (min-x lst) (apply min (map posn-x lst)))