Re: dynamic cast
sarangbaheti@gmail.com (Sarang) wrote (abridged):
if( RTTI_is_subclass(ptr->GetClassType(),BaseObjectType) )
{
BaseObject* basePtr = (BaseObject*)ptr;
}
Now the question is what are the benefits of using dynamic_cast here
Mostly checking? Dynamic_cast can handle more cases (eg involving
multiple inheritance), but possibly your RTTI module doesn't support them
anyway?
Personally I wouldn't like to mix C++'s RTTI with the home-grown module.
If I wanted to keep the module, I'd change its API to support something
like:
if (BaseObject *basePtr = RTTI_dynamic_cast( ptr, BaseObjectType ))
{
// ...
}
so neither C-Style cast nor dynamic_cast appeared in client code. Or else
abandon the RTTI module and just use the C++ mechanism:
if (BaseObject *basePtr = dynamic_cast<BaseObjectType *>(ptr))
{
// ...
}
which is a bit more concise.
-- Dave Harris, Nottingham, UK.
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