Given an object, how to call an alias to a member function on it?

[Adam D Ruppe]

On Tuesday, 2 May 2023 at 13:57:23 UTC, Steven Schveighoffer 
wrote:
> Isn't that what `__traits(child)` is for?
>
> https://dlang.org/spec/traits.html#child

Yes, __traits(child, object, method_alias)(args) is the way to do 
it.