{"description":"\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9 using System.Collections.Generic; public static class IListExtensions { public static bool IsEmpty<T>( this IList<T> self ) { return self.Count == 0; } } \u4f7f\u3044\u65b9 var x = new int[ 0 ]; var y = new int[ 1 ]; x.IsEmpty(); // True y.IsEmpty(); // False \u95a2\u9023\u8a18\u4e8b","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbaba-s.hatenablog.com%2Fentry%2F2015%2F07%2F17%2F100000\" title=\"\u3010C#\u3011\u914d\u5217\u3084\u30ea\u30b9\u30c8\u304c\u7a7a\u304b\u3069\u3046\u304b\u3092\u8fd4\u3059\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9 - \u30b3\u30ac\u30cd\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","height":"190","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/b/baba_s/20180826/20180826160156.png","author_name":"baba_s","categories":["C#","C# - \u62e1\u5f35\u30e1\u30bd\u30c3\u30c9"],"author_url":"https://blog.hatena.ne.jp/baba_s/","provider_url":"https://hatena.blog","type":"rich","width":"100%","title":"\u3010C#\u3011\u914d\u5217\u3084\u30ea\u30b9\u30c8\u304c\u7a7a\u304b\u3069\u3046\u304b\u3092\u8fd4\u3059\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9","provider_name":"Hatena Blog","blog_url":"https://baba-s.hatenablog.com/","published":"2015-07-17 10:00:00","blog_title":"\u30b3\u30ac\u30cd\u30d6\u30ed\u30b0","url":"https://baba-s.hatenablog.com/entry/2015/07/17/100000"}