{"categories":["Emacs Lisp"],"width":"100%","author_name":"shigemk2","blog_url":"https://www.shigemk2.com/","published":"2012-04-20 12:14:14","blog_title":"by shigemk2","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F20120420%2F1334891654\" title=\"\u95a2\u6570\u5b9a\u7fa9\u3092\u62e1\u5f35\u3059\u308b - by shigemk2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"http://ecx.images-amazon.com/images/I/51Wg39T8KAL.jpg","title":"\u95a2\u6570\u5b9a\u7fa9\u3092\u62e1\u5f35\u3059\u308b","author_url":"https://blog.hatena.ne.jp/shigemk2/","provider_url":"https://hatena.blog","height":"190","provider_name":"Hatena Blog","url":"https://www.shigemk2.com/entry/20120420/1334891654","description":"Common LIsp\u306e\u62e1\u5f35\u95a2\u6570defun*\u3092\u4f7f\u3046\u3068\u3001 &optional \u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570 &key \u30ad\u30fc\u30ef\u30fc\u30c9\u5f15\u6570 \u30ea\u30b9\u30c8\u5206\u89e3\u6a5f\u80fd\u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u3002 ;; \u62e1\u5f35\u3055\u308c\u305f\u30c7\u30d5\u30a9\u30eb\u30c8\u5024 (defun* test-default (a &optional (b 2) (c 3 c-avail)) (list a b c c-avail)) (test-default 1) ; => (1 2 3 nil) (test-default 1 5) ; => (1 5 3 nil) (test-default 1 5 7) ; => (1 5 7 t) ;; \u30ad\u30fc\u30ef\u30fc\u30c9\u5f15\u6570 (defun* test-k\u2026","type":"rich"}