What should opAssign return?

[Nathan Reed]

Charles D Hixson wrote:
> What I would expect is:
> 
> class A
> {
>   A opAssign(A a)
>   {
>      // do stuff here
>      return this;
>   }
> }
> 
> but the only examples that I can find (variant.d) return *this ... which 
> leaves me quite confused.  Is this something special that Variant is 
> doing to allow it to handle multiple types (I didn't follow the 
> internals), or do I have what is supposed to be returned wrong?

'this' is a pointer to the object, so '*this' is (a reference to) the 
actual object.

Thanks,
Nathan Reed