{"image_url":null,"categories":["SICP"],"description":"\u3064\u3044\u306b4\u7ae0\u306b\u5165\u308a\u307e\u3057\u305f\uff0e \u3044\u304d\u306a\u308a\u6f14\u7fd2\u554f\u984c\u304c\u308f\u304b\u3089\u305a\uff0c\u7b54\u3048\u3092\u53c2\u7167\u3057\u305f\uff0e \u3044\u3064\u3082\u304a\u4e16\u8a71\u306b\u306a\u3063\u3066\u304a\u308a\u307e\u3059\uff0elet\u3092\u4f7f\u3063\u3066\u5148\u306b\u8a55\u4fa1\u3057\u3061\u3083\u3046\u306e\u304b\uff0e\u305d\u3046\u304b\u305d\u3046\u3060\u306a\uff0e\u305d\u308c\u306a\u3089\u3069\u308c\u304c\u5148\u304b\u304c\u660e\u3089\u304b\u3060\uff0e ;;excercise4.1 ;;\u89e3\u7b54\u53c2\u7167 (define val 10) (define expression (cons (set! val (+ val 2)) (set! val (* val 2)))) expression ;=> (12 . 24) ;\u3064\u307e\u308aGauche\u3067\u306f\u5de6\u304b\u3089\u53f3\u306b\u8a55\u4fa1\u3055\u308c\u308b ;;\u8a55\u4fa1\u7528 (define expression '((set! val (+ val 2)) (set\u2026","title":"SICP\u6f14\u7fd2\u554f\u984c4.1","published":"2009-06-19 00:54:33","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frskmt.hateblo.jp%2Fentry%2F20090619%2F1245426873\" title=\"SICP\u6f14\u7fd2\u554f\u984c4.1 - \u3055\u304b\u3082\u3068\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","author_url":"https://blog.hatena.ne.jp/rsakamot/","blog_title":"\u3055\u304b\u3082\u3068\u306e\u30d6\u30ed\u30b0","author_name":"rsakamot","provider_url":"https://hatena.blog","url":"https://rskmt.hateblo.jp/entry/20090619/1245426873","blog_url":"https://rskmt.hateblo.jp/","provider_name":"Hatena Blog","version":"1.0","width":"100%","height":"190"}