ProtoObject and comparison for equality and ordering

[Adam D. Ruppe]

So, going back to where the int/float/enum tangent started....

On Tuesday, 14 May 2019 at 20:36:08 UTC, Eduard Staniloiu wrote:
> interface Ordered(T)
> {
>     int opCmp(scope const T rhs);
> }
>
> Since we are here, I want to raise another question:
> Should `opCmp` return a float?


We'd then have two interfaces: Ordered!T, which returns the int, 
and then PartiallyOrdered!T that can return the float. You pick 
which one works best for your particular class.