Defining some stuff for each class in turn

[Phil Deets]

On Thu, 01 Oct 2009 12:53:46 -0500, Andrei Alexandrescu  
<SeeWebsiteForEmail at erdani.org> wrote:
>
> interface Comparator(T)
> {
>      int opCmp(Comparator!T rhs);
>      mixin(Impl) // for each implementation Impl
>      {
>          int opCmp(Impl rhs);
>          override int opCmp(Comparator!T rhs)
>          {
>              return opCmp(cast(Impl) rhs);
>          }
>      }
> }
>

I like that you can use this in interfaces too. It seems to allow for  
something similar to multiple inheritance, but presumably without the  
implementation difficulty.

Phil Deets