{"type":"rich","blog_title":"\u30b3\u30ac\u30cd\u30d6\u30ed\u30b0","provider_url":"https://hatena.blog","description":"\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9 using System.Collections.Generic; using System.Linq; public static class IEnumerableExt { public static IEnumerable<T> Flatten<T> ( this IEnumerable<IEnumerable<T>> self ) { return self.SelectMany( c => c ); } } \u4f7f\u7528\u4f8b \u901a\u5e38 foreach ( var n in list.SelectMany( c => c ) ) { } \u62e1\u5f35\u30e1\u30bd\u30c3\u30c9 foreach ( var n \u2026","author_name":"baba_s","categories":["C#","C# - \u62e1\u5f35\u30e1\u30bd\u30c3\u30c9"],"version":"1.0","width":"100%","height":"190","url":"https://baba-s.hatenablog.com/entry/2019/09/09/225500","published":"2019-09-09 22:55:00","blog_url":"https://baba-s.hatenablog.com/","title":"\u3010C#\u3011SelectMany( c => c ) \u306e\u8a18\u8ff0\u3092\u7c21\u7565\u5316\u3059\u308b\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/b/baba_s/20180826/20180826160156.png","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbaba-s.hatenablog.com%2Fentry%2F2019%2F09%2F09%2F225500\" title=\"\u3010C#\u3011SelectMany( c =&gt; c ) \u306e\u8a18\u8ff0\u3092\u7c21\u7565\u5316\u3059\u308b\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>","author_url":"https://blog.hatena.ne.jp/baba_s/"}