On Wednesday, 20 November 2019 at 20:57:56 UTC, Matheus wrote:
This is a different way of designing things, do people use this often?

This is really only useful sometimes.

It is important to notice that if you do

class C : I {}

I c = new C();

the template this there will show I, not C. All it means is this is being called on an object of that *static* type. So it isn't really a substitute for traditional virtual functions.

Sometimes appropriate to use, just often not.

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