Singleton in Action?

[Ron Tarrant]

On Saturday, 2 February 2019 at 20:30:15 UTC, Neia Neutuladh 
wrote:

> And consider putting the class in its own source file.

Yes, by all means.

Speaking of which...

Considering the nature of a singleton such the one in the top 
post, I can't see it being possible to use one as a base class 
from which to derive other classes... speaking from a theoretical 
POV.

Thanks, guys, for all the input.