{"title":" SICP\u3092\u8aad\u3080(84) 2.4.3 \u30c7\u30fc\u30bf\u4e3b\u5c0e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3068\u52a0\u6cd5\u6027","description":"\u307e\u3060\u307e\u3060\u89e3\u8aac\u304c\u7d9a\u304d\u307e\u3059\u3002\u6f14\u7fd2\u554f\u984c\u306f\u307e\u3060\u304b\u3041\u301c\u30c7\u30fc\u30bf\u4e3b\u5c0e\u3063\u3066\u3053\u3068\u306f\u3001\u73fe\u5728\u306e\u4e3b\u6d41\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30e9\u30a4\u30af\u306a\u611f\u3058\u306b\u4ed5\u7acb\u3066\u3042\u3052\u3066\u3044\u304f\u307f\u305f\u3044\u3002 put,get \u89e3\u8aac\u8aad\u3082\u3046\u3068\u601d\u3063\u305f\u3089\u3001 put,get\u306f\u8a00\u8a9e\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u3068\u4eee\u5b9a\u3057\u3088\u3046\u3002 \u3063\u3066\u3001\u7d44\u307f\u8fbc\u307e\u308c\u3066\u306a\u3044\u3088\u30fb\u30fb\u30fb\u3002\u3069\u3046\u3084\u3089\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u3067\u74b0\u5883\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u307f\u305f\u3044\u3002\u9023\u60f3\u30ea\u30b9\u30c8\u3092\u4f7f\u3063\u3066\u8868\u73fe\u3057\u3066\u307f\u307e\u3059\u3002 (define env '()) (define (put op type item) (let ((type-env (assq type env))) (cond ((not type-env) (set! type-env (list type)))\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20071224%2F1198425203\" title=\" SICP\u3092\u8aad\u3080(84) 2.4.3 \u30c7\u30fc\u30bf\u4e3b\u5c0e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3068\u52a0\u6cd5\u6027 - \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_name":"tanakaBox","provider_url":"https://hatena.blog","width":"100%","categories":["Scheme"],"blog_title":"\u30dc\u30af\u30ce\u30b9","blog_url":"https://boxnos.hatenablog.com/","published":"2007-12-24 00:53:23","image_url":null,"author_url":"https://blog.hatena.ne.jp/tanakaBox/","version":"1.0","url":"https://boxnos.hatenablog.com/entry/20071224/1198425203","height":"190","provider_name":"Hatena Blog","type":"rich"}