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So C++ got multiple inheritance wrong... That doesn't mean it must be rejected in all cases.

What are the cases where MI is better than mix-ins or component architectures?

NewtonScript had a neat concept of heterogeneous multiple inheritance: Its "objects" had a prototype-like inheritance chain and a container inheritance chain.

If client-side JavaScript had this design, there would be no need for the DOM to have a special event mechanism that lives outside of method handling: DOM elements would simply have method handlers and the dispatch system would handle prototype and container inheritance.

> NewtonScript had a neat concept of heterogeneous multiple inheritance: Its "objects" had a prototype-like inheritance chain and a container inheritance chain.