{"width":"100%","author_name":"yuroyoro","published":"2010-07-10 20:59:53","image_url":null,"type":"rich","url":"https://yuroyoro.hatenablog.com/entry/20100710/1278763193","height":"190","description":"\u4eca\u65e5\u306f\u3001Scala\u306eOption\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3088\u3002Option\u306fScala\u4f7f\u3044\u306b\u3068\u3063\u3066\u306f\u306a\u304f\u3066\u306f\u306a\u3089\u306a\u3044\u3082\u306e\u3067\u3059\u3002\u3053\u308c\u3092\u899a\u3048\u3066\u3057\u307e\u3046\u3068\u4ed6\u306e\u8a00\u8a9e\u3067\u3082Option\u3092\u4f5c\u308a\u305f\u304f\u306a\u308b\u3001\u304b\u3082\u3057\u308c\u306a\u3044? Option\u3063\u3066\u306a\u306b? Option\u578b\u306f\u3001\u5024\u304c\u3042\u308b\u304b\u306a\u3044\u304b\u5206\u304b\u3089\u306a\u3044\u72b6\u614b\u3092\u8868\u3059\u3082\u306e\u3067\u3059\u3002\u300cMaybe\u30e2\u30ca\u30c9\u300d\u3068\u304b\u8a00\u3063\u3066\u3057\u307e\u3046\u3068\u30a2\u30ec\u3067\u3059\u304c\u307e\u3041\u305d\u3093\u306a\u3088\u3046\u306a\u3082\u306e\u3089\u3057\u3044\u3067\u3059\u3002 Option\u306e\u5b9a\u7fa9 \u307e\u305a\u306f\u3001Option\u306e\u5b9a\u7fa9\u304b\u3089\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002Option\u578b\u306f\u3001\u62bd\u8c61\u30af\u30e9\u30b9Option[+A]\u3068\u3001Option[A]\u3092\u7d99\u627f\u3057\u3066\u5024\u304c\u3042\u308b\u5834\u5408\u306eSome[+A]\u578b\u3068None\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u3042\u308a\u307e\u3059\u3002 Option \u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyuroyoro.hatenablog.com%2Fentry%2F20100710%2F1278763193\" title=\"Scala\u306eOption\u30b9\u30c6\u30ad\u3055\u306b\u3064\u3044\u3066\u30a2\u30c4\u304f\u8a9e\u3063\u3066\u307f\u308b - ( \ua4aa\u2313\ua4aa) \u3086\u308b\u3088\u308d\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","blog_url":"https://yuroyoro.hatenablog.com/","categories":["scala"],"author_url":"https://blog.hatena.ne.jp/yuroyoro/","title":"Scala\u306eOption\u30b9\u30c6\u30ad\u3055\u306b\u3064\u3044\u3066\u30a2\u30c4\u304f\u8a9e\u3063\u3066\u307f\u308b","blog_title":"( \ua4aa\u2313\ua4aa) \u3086\u308b\u3088\u308d\u65e5\u8a18","version":"1.0","provider_name":"Hatena Blog"}