I am migrated from C++ to C#. I am reading through about C++ template class and C# generics' differences,
"At the implementation level, the primary difference is that C# generic type substitutions are performed at runtime and generic type information is thereby preserved for instantiated objects."
"preserved for instantiated objects" means?
"In C#, a generic type parameter cannot itself be a generic, although constructed types can be used as generics. C++ does allow template parameters."
"constructed types" means?
What means "C# disallows this; the only language constructs allowed are those that can be deduced from the constraints."?
thanks in advance,