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A comment on Metaclasses: Thoughts on generative C++. Parent comment

Re:Metaclasses: Thoughts on generative C++ by justicezyx on Friday July 28, 2017 @12:41PM (#14875527)
> If you want dynamic dispatch, you don't use a virtual class, you use a "trait object".

Is this referring to Rust? Then it sounds like it will have similar overhead as C++'s virtual functions.

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Re:Metaclasses: Thoughts on generative C++ by steveklabnik on Friday July 28, 2017 @12:51PM (#14875618)
Yes, it is, and yes, it does. There are small differences due to the stuff I said above, but it's similar.
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