{"title":"\u3010C#\u3011\u6761\u4ef6\u3092\u6e80\u305f\u3059\u5834\u5408\u306b\u306e\u307f\u30ea\u30b9\u30c8\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9","author_name":"baba_s","categories":["C#","C# - \u62e1\u5f35\u30e1\u30bd\u30c3\u30c9"],"provider_name":"Hatena Blog","height":"190","published":"2014-11-14 20:08:02","provider_url":"https://hatena.blog","description":"\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9 using System.Collections.Generic; public static class ListExtensions { public static void AddIfTrue<T>( this List<T> self, bool condition, T item ) { if ( !condition ) { return; } self.Add( item ); } } \u4f7f\u3044\u65b9 var list = new List<int>(); list.AddIfTrue( true, 1 ); list.AddIfTrue( false, 2 ); fore\u2026","author_url":"https://blog.hatena.ne.jp/baba_s/","image_url":"https://cdn.user.blog.st-hatena.com/default_entry_og_image/94867065/1535279515352365","url":"https://baba-s.hatenablog.com/entry/2014/11/14/200802","width":"100%","blog_title":"\u30b3\u30ac\u30cd\u30d6\u30ed\u30b0","blog_url":"https://baba-s.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbaba-s.hatenablog.com%2Fentry%2F2014%2F11%2F14%2F200802\" title=\"\u3010C#\u3011\u6761\u4ef6\u3092\u6e80\u305f\u3059\u5834\u5408\u306b\u306e\u307f\u30ea\u30b9\u30c8\u306b\u8981\u7d20\u3092\u8ffd\u52a0\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>","type":"rich","version":"1.0"}