{"author_url":"https://blog.hatena.ne.jp/katona/","published":"2007-12-03 00:00:01","image_url":null,"blog_title":"MEMO:\u306f\u3066\u306a\u652f\u5e97","title":"let\u306e\u30de\u30af\u30ed","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkatona.hatenadiary.org%2Fentry%2F20071203%2Fp2\" title=\"let\u306e\u30de\u30af\u30ed - MEMO:\u306f\u3066\u306a\u652f\u5e97\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","width":"100%","author_name":"katona","provider_name":"Hatena Blog","categories":["Scheme"],"url":"https://katona.hatenadiary.org/entry/20071203/p2","height":"190","version":"1.0","blog_url":"https://katona.hatenadiary.org/","description":"let\u306e\u30de\u30af\u30ed\u304c\u3069\u3046\u5c55\u958b\u3055\u308c\u308b\u304b\u5b9f\u9a13\u3059\u308b\u3002 \u672c\u7bc0\u3067\u306f\u3001\u5c0e\u51fa\u5f0f\u578b\u3092\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u5f0f\u578b(\u30ea\u30c6\u30e9\u30eb\u3001\u5909\u6570\u3001\u624b\u7d9a\u304d\u547c\u3073\u51fa\u3057\u3001lambda\u3001if\u3001set!)\u306b\u7f6e\u304d\u63db\u3048\u308b\u30de\u30af\u30ed\u5b9a\u7fa9\u3092\u793a\u3059\u3002 http://www.swiss.ai.mit.edu/~jaffer/r5rsj_9.html#SEC81 Gauche\u306elet\u306f\u7d44\u307f\u8fbc\u307f\u306eSpecial Form\u3067\u30de\u30af\u30ed\u3067\u306f\u306a\u3044\u306e\u3067\u3001R5RS\u306e\u5b9a\u7fa9\u3067\u4e0a\u66f8\u304d\u3059\u308b\u3002 (define-syntax let (syntax-rules () ((let ((name val) ...) body1 body2 ...) ((lambda (name ...) body1 b\u2026","type":"rich"}