C#

类与结构体

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微软文档搜索：
https://docs.microsoft.com/zh-cn/

.net 源码查看 ： https://referencesource.microsoft.com/

微软.net 博客 ：https://docs.microsoft.com/en-us/archive/msdn-magazine/msdn-magazine-issues

.net framework vs .net core vs .net standard

https://code-maze.com/differences-between-net-framework-net-core-and-net-standard/