[Cs3] Question on Singleton Design Pattern

[Mikhail Nesterenko]

> 
> 
> For this pattern, there is only one instance. But why are copy constructor,
> overloaded assignment still implemented in this case? When and how are they
> used in other situations? Are there other possible usage for them? Are
> other public methods necessary to use them?

In Singleton, copy constructor and overloaded assingment is not expected to be used
by the clien. For that, they are either made private or, in C++11
standard deleted.

Thanks,
--
Mikhail