{"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/b/baba_s/20180826/20180826160156.png","provider_url":"https://hatena.blog","title":"\u3010C#\u3011\u53ef\u5909\u9577\u5f15\u6570\u3092\u4f7f\u7528\u3067\u304d\u308b Enumerable.Concat","url":"https://baba-s.hatenablog.com/entry/2019/09/09/225700","blog_title":"\u30b3\u30ac\u30cd\u30d6\u30ed\u30b0","published":"2019-09-09 22:57:00","version":"1.0","categories":["C#","C# - \u62e1\u5f35\u30e1\u30bd\u30c3\u30c9"],"provider_name":"Hatena Blog","width":"100%","description":"\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9 using System.Collections.Generic; using System.Linq; public static class IEnumerableExt { public static IEnumerable<T> Concat<T> ( this IEnumerable<T> first, params T[] second ) { return Enumerable.Concat( first, second ); } } \u4f7f\u7528\u4f8b \u901a\u5e38 var list = new[] { 1, 2, 3 }; var result = list.Concat( new\u2026","height":"190","author_name":"baba_s","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbaba-s.hatenablog.com%2Fentry%2F2019%2F09%2F09%2F225700\" title=\"\u3010C#\u3011\u53ef\u5909\u9577\u5f15\u6570\u3092\u4f7f\u7528\u3067\u304d\u308b Enumerable.Concat - \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>","blog_url":"https://baba-s.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/baba_s/","type":"rich"}