Fully dynamic d by opDotExp overloading

[Christopher Wright]

Andrei Alexandrescu wrote:
> I think there's merit in binding via strings. It makes for very flexible 
> code that is future-proof, dynamic-linking-friendly, and hot-swappable 
> without recompiling (e.g. you don't need to recompile because you now 
> implement an interface etc.) Reflection is very useful as well.

I don't think you can implement an interface with opDotExp, since it has 
a different signature.