{"provider_name":"Hatena Blog","blog_url":"https://csh-2.hatenadiary.org/","author_url":"https://blog.hatena.ne.jp/Csh/","version":"1.0","blog_title":"C#\u306b\u30cf\u30de\u3063\u3066\u307f\u308b\u65e5\u8a18","image_url":null,"url":"https://csh-2.hatenadiary.org/entry/20100224/1267009417","author_name":"Csh","height":"190","description":"Nullable \u578b (C# \u306b\u3088\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5165\u9580) http://ufcpp.net/study/csharp/sp2_nullable.html \u6982\u8981\u3001Nullable\u578b\u3001Nullable\u578b\u306e\u30e1\u30f3\u30d0\u30fc\u3001Nullable\u578b\u306b\u5bfe\u3059\u308b\u6f14\u7b97\u3001? ?\u6f14\u7b97\u5b50 Nullable\u306b\u51fa\u6765\u308b\u306e\u306f\u5024\u578b\u306e\u307f\u3002string?\u306a\u3069\u306f\u30a8\u30e9\u30fc\u3002 T?\u3067\u5f97\u3089\u308c\u308bNullable\u578b\u306f\u3001System.Nullable\u3068\u7b49\u4fa1\u3002 \u5143\u306e\u578bT\u304c\u3082\u3064\u6f14\u7b97\u306f\u5168\u3066\u4f7f\u3048\u308b\u3002 // x, y \u306f int? \u578b\u306e\u5909\u6570 int? z = x ?? y; // x != null ? x : y","published":"2010-02-24 20:03:37","provider_url":"https://hatena.blog","width":"100%","type":"rich","title":"Nullable\u578b","categories":[],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcsh-2.hatenadiary.org%2Fentry%2F20100224%2F1267009417\" title=\"Nullable\u578b - C#\u306b\u30cf\u30de\u3063\u3066\u307f\u308b\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>"}