ypooo https://blog.hatena.ne.jp/ypooo/ ypooo’s diary https://ypooo.hatenablog.com/ LISP 関数型 13. format-single-entry 関数 (defun format-single-entry (entry-alist idx) (let* ((category (cdr (assoc "category" entry-alist :test #'string=))) (title (cdr (assoc "title" entry-alist :test #'string=))) (url (cdr (assoc "url" entry-alist :test #'string=))) (date (cdr (assoc "date" entry-alist :test #'… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fypooo.hatenablog.com%2Fentry%2F2026%2F04%2F26%2F203914" title="PythonプログラマーのためのCommon Lispコード解説 13 - ypooo’s diary" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/y/ypooo/20260425/20260425055449.jpg Hatena Blog https://hatena.blog 2026-04-26 20:39:14 rich https://ypooo.hatenablog.com/entry/2026/04/26/203914 1.0 100%