How does D's templated functions implementation differ from generics in C#/Java?

[12345swordy]

On Friday, 7 August 2020 at 21:03:47 UTC, aberba wrote:
> Syntactically they look the same (although D's can do more 
> things) so I'm trying to understand how why in D it's called 
> template but in languages like C#/Java they're generics.
>
>
> I guess I have fair understanding of D's code generation but 
> isn't it same as what what is available in those languages too? 
> How are the implementation different?

I think this is relevent:
https://github.com/dotnet/csharplang/issues/110