{"categories":["activesupport"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fikm.hatenablog.jp%2Fentry%2F2016%2F10%2F28%2F201248\" title=\"acts_like?\u3067duck typing - There&#39;s an echo in my head\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"1\u5e74\u3050\u3089\u3044\u524d\u306b\u793e\u5185\u30d6\u30ed\u30b0\u306b\u30e1\u30e2\u3057\u3066\u305f\u5185\u5bb9\u3092\u307e\u3093\u307e\u8ee2\u8f09\u3002 \u306f\u3066\u3001\u3053\u308c\u306fduck typing\u306a\u306e\u304b\uff1f \u6982\u8981 Object#acts_like?\u3092\u4f7f\u3046\u3068\u30af\u30e9\u30b9\u306e\u7570\u306a\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u540c\u3058\u632f\u308b\u821e\u3044\u3092\u3059\u308b\u304b\u3069\u3046\u304b\u306e\u5224\u5b9a\u304c\u624b\u8efd\u306b\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3002 \u5177\u4f53\u4f8b ActiveSupport\u3067\u306fTime\u3068DateTime\u3001ActiveSupport::TimeWithZone\u306b\u5171\u901a\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3057\u3001\u305d\u308c\u3089\u304c\u5165\u308c\u66ff\u308f\u3063\u3066\u3082\u3046\u307e\u304f\u52d5\u304f\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3002 \u3053\u308c\u3092\u5b9f\u88c5\u3059\u308b\u306b\u3042\u305f\u3063\u3066\u306bTime\u3063\u307d\u304f\u632f\u308b\u821e\u3046\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3059\u308b\u305f\u3081\u306bacts_like?\u3092\u4f7f\u3063\u3066\u3044\u308b\u3002 require \"active_support/all\" \u2026","image_url":null,"title":"acts_like?\u3067duck typing","url":"https://ikm.hatenablog.jp/entry/2016/10/28/201248","width":"100%","version":"1.0","height":"190","provider_name":"Hatena Blog","published":"2016-10-28 20:12:48","author_url":"https://blog.hatena.ne.jp/a2ikm/","type":"rich","blog_title":"There's an echo in my head","blog_url":"https://ikm.hatenablog.jp/","author_name":"a2ikm","provider_url":"https://hatena.blog"}