> s_self =3D new RealFactory();
> ...
>
> in C++, operator() is invoked and the resulting functor is then =


> passed to
> operator new for initialization. Is that desirable?


that's just a standard constructor call. it's the same as:

new RealFactory; // other languages require the parens

>>
>> Under what circumstances would _vptr be NULL?


if there's no virtual methods in the class, it's instances don't have =

vptrs.

andrew suttton
asutton@cs.kent.edu
=

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