AliasSeq of T.tupleof for class and all base classes

[bitwise]

On Saturday, 30 September 2017 at 12:42:17 UTC, Steven 
Schveighoffer wrote:
>
> I think the problem may be that derived classes' tupleof has 
> some of the same variables as the base class?
>
> I agree it should work, but I think if it did work, it may not 
> be what you want. You would see a lot of repeats.

.tupleof doesn't return fields from base classes.

assert(D2.tupleof.stringof == "tuple(c)");