{"image_url":null,"height":"190","published":"2009-12-20 00:00:00","provider_url":"https://hatena.blog","description":"\u6587\u5b57\u3092\u53cd\u5fa9\u3059\u308b \u6587\u5b57\u5217\u3092\u53cd\u5fa9\u3059\u308b\u306b\u306f\uff0c\u6587\u5b57\u306e\u5834\u5408\u3068\u6587\u5b57\u5217\u306e\u5834\u5408\u3067\u3084\u308a\u65b9\u304c\u7570\u306a\u308b\uff0e \u6587\u5b57\u306e\u5834\u5408\u306fmake-string\u3067\u53cd\u5fa9\u3067\u304d\u308b\uff0e (make-string k &optional char) \u4f7f\u7528\u4f8b\uff0e char\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u7a7a\u767d\u6587\u5b57\u304c\u7e70\u308a\u8fd4\u3055\u308c\u308b\uff0e (make-string 5 #\\c) =>\"ccccc\" (make-string 5) =>\" \" \u6587\u5b57\u5217\u3092\u53cd\u5fa9\u3059\u308b \u6587\u5b57\u5217\u306e\u5834\u5408\u306f\uff0cmake-string\u306f\u4f7f\u3048\u306a\u3044\uff0emake-list\u3068string-join\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046\uff0e (define (repeat-string n str) (string-join (make-list n \u2026","url":"https://kj-ki.hatenablog.com/entry/20091220/p1","provider_name":"Hatena Blog","version":"1.0","type":"rich","width":"100%","blog_title":"kj-ki\u2019s blog","author_name":"kj-ki","categories":["Scheme"],"author_url":"https://blog.hatena.ne.jp/kj-ki/","title":"\u6587\u5b57\u5217\u3092\u53cd\u5fa9\u3059\u308b","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkj-ki.hatenablog.com%2Fentry%2F20091220%2Fp1\" title=\"\u6587\u5b57\u5217\u3092\u53cd\u5fa9\u3059\u308b - kj-ki\u2019s blog\" 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://kj-ki.hatenablog.com/"}