D vs C++ classes?

[solidstate1991]

On Monday, 21 June 2021 at 19:56:50 UTC, Meta wrote:
>
> I guarantee you that Walter is far from the only one here with 
> strong opposition to multiple inheritance.

Multiple inheritance induces a lot of headaches (added 
complexity, diamond inheritance, etc.), and even C++ devs try to 
avoid it at all costs. It rarely has any real-life use, that 
couldn't be solved with interfaces and mixins.