{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.little-cuckoo.jp%2Fentry%2F2019%2F12%2F23%2F124053\" title=\"null\u5408\u4f53\u6f14\u7b97\u5b50 ?? \u306e\u512a\u5148\u9806\u4f4d - \u9591\u53e4\u9ce5\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u4f55\u3082\u8003\u3048\u305a\u306b\u4f7f\u3063\u305f\u3089\u30cf\u30de\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002 int? foo = null; (5 + foo ?? 0); // => \"5\"\u3092\u671f\u5f85\u3057\u305f\u3051\u3069\"0\"\u306b\u306a\u308b \u3053\u308c\u306f: (5 + (foo ?? 0)); // => 5 \u3068\u66f8\u304d\u307e\u3057\u3087\u3046\u3002StyleCop\u3067\u4e57\u7b97\u3084\u9664\u7b97\u306b\u306f\u554f\u7b54\u7121\u7528\u3067\u62ec\u5f27\u3092\u4ed8\u3051\u308d\u3068\u8a00\u308f\u308c\u308b\u74b0\u5883\u306a\u306e\u3067\u6cb9\u65ad\u3057\u3066\u3044\u307e\u3057\u305f(\u4f55\u3082\u8a00\u308f\u308c\u306a\u3044\u306e\u3067)\u3002","provider_name":"Hatena Blog","blog_url":"https://www.little-cuckoo.jp/","author_name":"wata_d","categories":["C#","programming"],"author_url":"https://blog.hatena.ne.jp/wata_d/","title":"null\u5408\u4f53\u6f14\u7b97\u5b50 ?? \u306e\u512a\u5148\u9806\u4f4d","type":"rich","provider_url":"https://hatena.blog","width":"100%","version":"1.0","image_url":null,"url":"https://www.little-cuckoo.jp/entry/2019/12/23/124053","published":"2019-12-23 12:40:53","height":"190","blog_title":"\u9591\u53e4\u9ce5"}