Accessing a function within an object's superclass from the outside

[ketmar via Digitalmars-d-learn]

On Saturday, 14 January 2017 at 21:55:27 UTC, David  Zhang wrote:
> Hello,
>
> Say I have a class, and it overrides a function from its 
> superclass. However, the superclass has two overloaded versions 
> of the same function. My intent is to override only one of the 
> functions, but the second is rendered inaccessible from outside 
> of the class. How can I make the overloaded function visible?
>
> ie:
>
> class ClassA {
>     void fun(uint a) {}
>     void fun(uint a, float b) {}
> }
>
> class ClassB: ClassA {
>     void fun(uint a) {}
> }
>
> ca.fun(a);       //ok
> ca.fun(a, b);    //ok
> cb.fun(a);       //ok
> cb.fun(a, b);    //function fun not callable with uint and float
>
> I seem to remember something about using aliases to fix this, 
> but I can't find anything about it either way.

class ClassB: ClassA {
   alias fun = super.fun;
   override void fun(uint a) {}
}