{"description":"\u540c\u5024\u304b\u3069\u3046\u304b\u306e\u5224\u5b9a\u306b q? eqv? equal? \u306e\u3046\u3061\u3069\u308c\u3092\u4f7f\u3048\u3070\u826f\u3044\u304b\u5206\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067Gauche \u30e6\u30fc\u30b6\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9 6.1 \u7b49\u4fa1\u3092\u53c2\u8003\u306b\u30c6\u30b9\u30c8\u3057\u3066\u307f\u305f\u3002 (define (list-for-each pred dat ls) (call/cc (lambda (return) (for-each (lambda (x) (if (pred x dat) (return x))) ls) \"not found\"))) (define test '((abc)(1 2 (\"def\")) \"hello\" 999 hijk 0.123)) (define dat1 (car (cdr te\u2026","url":"https://sirocco.hatenadiary.org/entry/20100209/1265663956","height":"190","version":"1.0","categories":["scheme"],"type":"rich","author_url":"https://blog.hatena.ne.jp/sirocco/","blog_title":"sirocco \u306e\u66f8\u3044\u3066\u3082\u3059\u3050\u306b\u5fd8\u308c\u308b\u30e1\u30e2","provider_url":"https://hatena.blog","author_name":"sirocco","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsirocco.hatenadiary.org%2Fentry%2F20100209%2F1265663956\" title=\"eq? eqv? equal? \u306e\u4f7f\u3044\u5206\u3051 - sirocco \u306e\u66f8\u3044\u3066\u3082\u3059\u3050\u306b\u5fd8\u308c\u308b\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://sirocco.hatenadiary.org/","width":"100%","title":"eq? eqv? equal? \u306e\u4f7f\u3044\u5206\u3051","published":"2010-02-09 06:19:16","image_url":null,"provider_name":"Hatena Blog"}