Covarience And ContraVariance
摘要：
1 using System; 2 using System.Collections.Generic; 3 using System.IO; 4 5 namespace CovarientAndContraVarient 6 { 7 class Program 8 { 9 static object GetObject() { return null; } 10 static void SetObject(object obj) { } 11 12 static string GetString() { r... 阅读全文
posted @ 2013-09-22 22:59 Dely 阅读(557) 评论(0) 推荐(1) 编辑
