{"version":"1.0","description":"\u672c\u8a18\u4e8b\u3067\u306fNullable\u3068Non-nullable\u306b\u3064\u3044\u3066\u30dd\u30a4\u30f3\u30c8\u3092\u307e\u3068\u3081\u3066\u3044\u304d\u307e\u3059\u3002 Null(\u30cc\u30eb)\u306f\u4f55\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3082\u53c2\u7167\u3057\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u5024\u3067\u3001\u3068\u304d\u306b\u4fbf\u5229\u306a\u6982\u5ff5\u3067\u3042\u308a\u307e\u3059\u3002\u5024\u304c\u5b58\u5728\u3057\u3066\u3044\u306a\u3044\u3068\u304d\u3092\u793a\u3059\u5834\u5408\u306a\u3069\u3067\u3059\u306d\u3002 \u3057\u304b\u3057Null\u306e\u5024\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u4f7f\u304a\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u30a2\u30d7\u30ea\u304c\u30af\u30e9\u30c3\u30b7\u30e5\u3059\u308b\u305f\u3081\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3068\u304d\u306b\u3001\u305d\u308c\u304cNull\u3067\u306f\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3092\u3044\u3061\u3044\u3061\u78ba\u304b\u3081\u308b\u5fc5\u8981\u304c\u51fa\u3066\u304d\u307e\u3059\u3002\u3053\u308c\u304c\u30b3\u30fc\u30c9\u3092\u5fc5\u8981\u4ee5\u4e0a\u306b\u8907\u96d1\u306b\u3057\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u306e\u304c\u5927\u304d\u306a\u554f\u984c\u3067\u3059\u3002","height":"190","provider_name":"Hatena Blog","blog_url":"https://flutter.gakumon.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fflutter.gakumon.jp%2Fentry%2Fdart-non-nullable\" title=\"\u5b9f\u8df5Dart\uff1aNullable\u3068Non-nullable - \u5b9f\u8df5Flutter\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"linkedsort","title":"\u5b9f\u8df5Dart\uff1aNullable\u3068Non-nullable","author_url":"https://blog.hatena.ne.jp/linkedsort/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/l/linkedsort/20211001/20211001034700.jpg","type":"rich","blog_title":"\u5b9f\u8df5Flutter","published":"2021-06-06 00:00:00","categories":["Dart"],"provider_url":"https://hatena.blog","url":"https://flutter.gakumon.jp/entry/dart-non-nullable","width":"100%"}