[OT] n-way union

[Georg Wrede]

Andrei Alexandrescu wrote:
> Well your instructor was supposed to read your work, and I am not by
> any stretch of imagination. That was rather inappropriate.

Maybe I misunderstood the point of this OT thread. One could believe the 
thread was created to look at alternative algorithms by people.

> Finally, why would anyone care for something like this?

Has this been answered already? What was the answer?