Design a container (objects) to ensure that all types in this container are unique

[Arc-huangjingtong]

How to design a container (objects) to ensure that all types in this container are unique
Avoid using reflection, including methods such as GetType, typeof

[lindexi]

I do not think this is belong here. It is the Dependency injection issues, which define in https://github.com/dotnet/runtime/blob/main/src/libraries/Microsoft.Extensions.DependencyInjection/README.md

So that I think you should create the discussion to dotnet/runtime

[Arc-huangjingtong]

thanks