{"provider_name":"Hatena Blog","description":"\u524d\u306e\u8a18\u4e8b\u3092\u66f8\u3044\u3066\u304b\u3089\u3084\u3063\u3068\u6c17\u4ed8\u3044\u305f\u3051\u3069(^^;\u3001\u3053\u308c\u306f\u3064\u307e\u308a\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u306e\u52d5\u4f5c\u3092\u307e\u306d\u3066\u308b\u3093\u3067\u3059\u306d\u3002 \u3082\u3046\u3061\u3087\u3063\u3068\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002ToString() \u306e\u4f8b\u306f\u30a4\u30de\u30a4\u30c1\u306a\u306e\u3067\u3001\u5225\u306e\u4f8b\u306b\u5dee\u3057\u66ff\u3048\u307e\u3059\u3002 using System; class Program { static void Main() { B b = new B { Val = 1 }; b.Foo(); // Object Ext.Foo( b ); // A //b.Baz(); // compile error! Ext.Baz( b ); // Ext.Baz( A ) Console.ReadKey(); } } st\u2026","height":"190","author_name":"siokoshou","blog_title":"\u5f53\u9762C#\u3068.NET\u306a\u8a18\u9332","type":"rich","title":" if ( \u62e1\u5f35\u30e1\u30bd\u30c3\u30c9 == \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9 ) return ?","published":"2007-11-21 00:00:01","width":"100%","provider_url":"https://hatena.blog","categories":["C#"],"url":"https://siokoshou.hatenadiary.org/entry/20071121/p2","version":"1.0","author_url":"https://blog.hatena.ne.jp/siokoshou/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsiokoshou.hatenadiary.org%2Fentry%2F20071121%2Fp2\" title=\" if ( \u62e1\u5f35\u30e1\u30bd\u30c3\u30c9 == \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9 ) return ? - \u5f53\u9762C#\u3068.NET\u306a\u8a18\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"blog_url":"https://siokoshou.hatenadiary.org/"}