{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsinsoku.hatenablog.com%2Fentry%2F2024%2F04%2F11%2F213706\" title=\"Steep\u306eAnnotation\u306b\u95a2\u3059\u308b\u5099\u5fd8\u9332 #asakusa_bashi_rbs - \u30a2\u30b8\u30e3\u30a4\u30ebSE\u306e\u6182\u9b31\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","blog_title":"\u30a2\u30b8\u30e3\u30a4\u30ebSE\u306e\u6182\u9b31","author_url":"https://blog.hatena.ne.jp/sinsoku/","width":"100%","title":"Steep\u306eAnnotation\u306b\u95a2\u3059\u308b\u5099\u5fd8\u9332 #asakusa_bashi_rbs","blog_url":"https://sinsoku.hatenablog.com/","categories":["ruby","rbs"],"published":"2024-04-11 21:37:06","provider_name":"Hatena Blog","image_url":null,"description":"Steep\u306emanual/annotations.md\u3092\u8aad\u307f\u306a\u304c\u3089\u3001\u5b9f\u969b\u306b\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u899a\u3048\u305f\u3053\u3068\u3092\u30d6\u30ed\u30b0\u306b\u307e\u3068\u3081\u308b\u3002 \u5909\u6570 \u5909\u6570\u306e\u578b\u3092 String? \u304b\u3089 String \u306b\u3059\u308b\u3068\u304d\u306b\u4fbf\u5229\u305d\u3046\u3002 # @type var value: String value = %w[a b c].sample puts('Hi, ' + value) \u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u306a\u3044\u5834\u5408\u3001 sample: () -> String? \u306a\u306e\u3067\u578b\u691c\u67fb\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3002 app/user.rb:2:14: [error] Cannot pass a value of type `(::String | nil)` as an \u2026","author_name":"sinsoku","version":"1.0","url":"https://sinsoku.hatenablog.com/entry/2024/04/11/213706","provider_url":"https://hatena.blog","type":"rich"}