{"title":" SICP\u3092\u8aad\u3080(37) \u554f\u984c 2.4 cons\u306e\u5225\u306e\u8868\u73fe\u3002","type":"rich","published":"2007-07-18 21:00:26","provider_url":"https://hatena.blog","author_name":"tanakaBox","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20070718%2F1184760026\" title=\" SICP\u3092\u8aad\u3080(37) \u554f\u984c 2.4 cons\u306e\u5225\u306e\u8868\u73fe\u3002 - \u30dc\u30af\u30ce\u30b9\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/tanakaBox/","provider_name":"Hatena Blog","url":"https://boxnos.hatenablog.com/entry/20070718/1184760026","blog_title":"\u30dc\u30af\u30ce\u30b9","blog_url":"https://boxnos.hatenablog.com/","categories":["Scheme"],"description":"\u554f\u984c2.4 cons\u306e\u5225\u306e\u8868\u73fe\u3002\u4f55\u6545x\u3092\u8fd4\u3059\u3053\u3068\u304c\u51fa\u6765\u308b\u306e\u304b\u3002 (define (cons x y) (lambda (m) (m x y))) (define (car z) (z (lambda (p q) p))) (cons 1 2) (car (cons 1 2)) ; 1 \u5c55\u958b\u3057\u3066\u307f\u3088\u3046\u3002 (car (cons 1 2)) ; (cons 1 2)\u3092(cons x y)\u3067\u5c55\u958b\u3002 (car (lambda (m) (m 1 2))) ; car\u3092\u5c55\u958b\u3002 ((lambda (m) (m 1 2)) (lambda (p q) p)) ; m\u306b\u4ee3\u5165\u3059\u308b\u3002 ((lambda (p q) p\u2026","width":"100%","version":"1.0","image_url":null}