{"description":"Programming Clojure\u306eChapter 7 Macro\u306e\u9014\u4e2d\u307e\u3067\u8aad\u3093\u3060\u306e\u3067\u3001\u30de\u30af\u30ed\u3092\u4f7f\u3063\u3066\u307f\u305f\u3002\u30a2\u30ca\u30d5\u30a9\u30ea\u30c3\u30af\u30de\u30af\u30ed\u3092\u4f5c\u6210\u3057\u3088\u3046\u3068\u3057\u3066\u3001sample/macro.clj (ns sample.macro) (defmacro aif [pred then] `(let [it ~pred] (if it ~then))) \u3092\u5b9a\u7fa9\u3057\u3001\u5b9f\u884c\u3059\u308b\u3068\u3001 user> (use 'sample.macro) nil user> (aif (+ 1 2 3) (println it)) ; Evaluation aborted. Can't let qualified name: sampl\u2026","provider_name":"Hatena Blog","height":"190","author_url":"https://blog.hatena.ne.jp/e-o-n/","title":" \u30a2\u30ca\u30d5\u30a9\u30ea\u30c3\u30af\u30de\u30af\u30ed","image_url":null,"author_name":"e-o-n","categories":["Clojure"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fe-o-n.hatenadiary.org%2Fentry%2F20091123%2F1258980564\" title=\" \u30a2\u30ca\u30d5\u30a9\u30ea\u30c3\u30af\u30de\u30af\u30ed - e-o-n\u306eClojure\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>","type":"rich","blog_title":"e-o-n\u306eClojure\u65e5\u8a18","blog_url":"https://e-o-n.hatenadiary.org/","width":"100%","url":"https://e-o-n.hatenadiary.org/entry/20091123/1258980564","version":"1.0","provider_url":"https://hatena.blog","published":"2009-11-23 21:49:24"}