{"width":"100%","author_url":"https://blog.hatena.ne.jp/kiririmode/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20080220%2Fp2\" title=\"\u554f\u984c3.2 (3.1.1  Local State Variables) - \u7406\u7cfb\u5b66\u751f\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["SICP"],"type":"rich","blog_url":"https://kiririmode.hatenablog.jp/","provider_name":"Hatena Blog","height":"190","published":"2008-02-20 00:00:01","title":"\u554f\u984c3.2 (3.1.1  Local State Variables)","url":"https://kiririmode.hatenablog.jp/entry/20080220/p2","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","author_name":"kiririmode","version":"1.0","description":"make-monitored\u306e\u4ed5\u69d8\uff1a 1\u5f15\u6570\u306e\u95a2\u6570f\u3092\u5f15\u6570\u3068\u3057\u3066\u53d6\u308b \u8fd4\u308a\u5024\u306ff\u304c\u4f55\u56de\u547c\u3073\u51fa\u3055\u308c\u305f\u304b\u3092\u4fdd\u6301\u3059\u308b\u95a2\u6570mf mf\u306f\"how-many-calls?\"\u3092\u5f15\u6570\u3068\u3057\u3066\u6e21\u3055\u308c\u305f\u5834\u5408\uff0cf\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u56de\u6570\u3092\u8fd4\u3059 mf\u306f\"reset-count\"\u3092\u5f15\u6570\u3068\u3057\u3066\u6e21\u3055\u308c\u305f\u5834\u5408\uff0cf\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u56de\u6570\u30920\u306b\u623b\u3059 \u4e0a\u8a18\u4ee5\u5916\u306e\u5f15\u6570\u304c\u6e21\u3055\u308c\u305f\u5834\u5408\uff0cf\u306b\u305d\u306e\u5f15\u6570\u3092\u6e21\u3057\u3066\u8fd4\u3063\u3066\u304d\u305f\u7d50\u679c\u3092\u8fd4\u3059 \u3053\u3093\u306a\u611f\u3058\uff0ef\u306e\u30e9\u30c3\u30d1\u3092\u4f5c\u308b\u307f\u305f\u3044\u306a\u5370\u8c61\u3067\u3059\uff0e (define (make-monitored f) (let ((count 0)) (define (dispatch input) (cond ((eq? input '\u2026","provider_url":"https://hatena.blog","image_url":null}