Template with template?

[Chris]

On Sunday, 23 March 2014 at 12:37:34 UTC, Marc Schütz wrote:
> On Friday, 21 March 2014 at 09:56:49 UTC, Chris wrote:
>> Btw, I was initially inspired by Objective-C's NSSet that can 
>> hold arbitrary objects.
>
> That's because Objective-C's objects are references. It would 
> be equivalent to Adam Ruppe's suggestion of using 
> classes/interfaces.

Yes, I will explore that too. Originally I thought I would have 
an array of references, but that was wrong of course.