faith_and_brave https://blog.hatena.ne.jp/faith_and_brave/ Faith and Brave - C++で遊ぼう https://faithandbrave.hateblo.jp/ C# C# 3.0で唯一いらないもの既存のクラスにメソッドを追加できる using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Program { // intにHogeメソッドを追加 public static class IntExtention { public static void Hoge(this int value) { Console.WriteLine(value); } } class Program { static void Main(st… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffaithandbrave.hateblo.jp%2Fentry%2F20070806%2F1186414336" title=" C# 3.0 - 拡張メソッド - Faith and Brave - C++で遊ぼう" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2007-08-06 00:32:16 rich https://faithandbrave.hateblo.jp/entry/20070806/1186414336 1.0 100%