{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fttkcd.hatenablog.com%2Fentry%2F2021%2F06%2F17%2F214718\" title=\"Null\u5b89\u5168 - \u304a\u3063\u3055\u3093\u306e\u5099\u5fd8\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","description":"null\u8a31\u5bb9\u53c2\u7167\u578b\u3092\u4f7f\u3046\u3053\u3068\u306b\u3088\u3063\u3066\u3001null\u5b89\u5168\u3068\u306a\u308b\u3002 \u53c2\u7167\u578b\u306f\u8a31\u5bb9\u3059\u308b\u3082\u306a\u306b\u3082null\u304c\u3064\u304d\u3082\u306e\u3067\u306f\uff1f null\u306f\u610f\u56f3\u3057\u3066\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u3082\u3042\u308b\u305f\u3081\u3001null\u3092\u610f\u8b58\u3057\u3066\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u304c\u53ef\u80fd\u306b\u306a\u308b\u306e\u304cC#8.0\u4ee5\u964d\u306b\u5c0e\u5165\u3055\u308c\u305fnull\u8a31\u5bb9\u53c2\u7167\u578b \u53c2\u7167\u578b\u306e\u5b9a\u7fa9\u65b9\u6cd5 \u666e\u901a\u306e\u53c2\u7167\u578b\uff1a\u5358\u7d14\u306b\u578bT\u3068\u5ba3\u8a00 null\u8a31\u5bb9\u53c2\u7167\u578b\uff1a\u578bT?\u3068\u5ba3\u8a00 MyParent\u30af\u30e9\u30b9 class MyParent { public MyChild MyChild{ get; private set;} public MyParent(){} } \u5b9f\u969b\u306bnull\u8a31\u5bb9\u53c2\u7167\u578b\u3092\u4f7f\u3063\u3066\u307f\u308b \u74b0\u5883\u306fVisual Studio 2019\u3067\u2026","author_name":"TTKCD","version":"1.0","blog_url":"https://ttkcd.hatenablog.com/","blog_title":"\u304a\u3063\u3055\u3093\u306e\u5099\u5fd8\u9332","title":"Null\u5b89\u5168","image_url":null,"provider_url":"https://hatena.blog","width":"100%","url":"https://ttkcd.hatenablog.com/entry/2021/06/17/214718","provider_name":"Hatena Blog","published":"2021-06-17 21:47:18","height":"190","author_url":"https://blog.hatena.ne.jp/TTKCD/","categories":[]}