.Net中泛型的来龙去脉

可以参考以下几篇文章：

https://www.cnblogs.com/dotnet261010/p/9034594.html
https://www.cnblogs.com/woaixiaozhi/p/5137658.html
https://www.cnblogs.com/yilezhu/p/10029782.html
https://blog.csdn.net/rise51/article/details/6153175