{"title":"\u7d99\u7d9a\u308f\u304b\u3089\u306a\u3044...","image_url":null,"version":"1.0","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frskmt.hateblo.jp%2Fentry%2F20090502%2F1241226261\" title=\"\u7d99\u7d9a\u308f\u304b\u3089\u306a\u3044... - \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>","blog_url":"https://rskmt.hateblo.jp/","width":"100%","blog_title":"\u3055\u304b\u3082\u3068\u306e\u30d6\u30ed\u30b0","url":"https://rskmt.hateblo.jp/entry/20090502/1241226261","published":"2009-05-02 10:04:21","author_name":"rsakamot","type":"rich","author_url":"https://blog.hatena.ne.jp/rsakamot/","height":"190","provider_name":"Hatena Blog","categories":["gauche"],"description":"\u73fe\u5728Gauche\u7b2c19\u7ae06\u7bc0\u306b\u53d6\u308a\u7d44\u307f\u4e2d\u306a\u306e\u3060\u304c\uff0c\u7d99\u7d9a\u304c\u3044\u307e\u3044\u3061\u5206\u304b\u3089\u306a\u3044.\u7279\u306b (define-syntax for-each-ext (syntax-rules () [(_ break next lambda-expr arg-list ...) (let ((arg1 (list arg-list ...))) (call/cc (lambda (break) (apply for-each (lambda arg (call/cc (lambda (next) (apply lambda-expr arg)))) arg1))))])) (for-each-ext break1 ne\u2026"}