Re: Problem with derived classes and overloaded member functions

> It shouldn't be. Everything in your post looks reasonable, so I guess
> this could be a bug. Could you possibly reduce this to a failing test
> that I can run?

It seems to be only happening with functions that are defined in the 
inheriting class, but were not declared in the base class. As long as it 
is declared in the base class and redefined in the inheriting class, the 
correct, redefined function is called. I can boil it all down to this:

I have a base class 'IPlugin' with a function
void base_f() {
  cout << "Base" << endl;
}

which I register with luabind like this:
luabind::module(L) [
        luabind::class_<IPlugin>("IPlugin")
        .def("base_f", &IPlugin::base_f)
];

I also have a derived class 'GenericPlugin':
class GenericPlugin : public IPlugin

which redefines base_f:
void base_f() {
  cout << "Derived" << endl;
}

and has an additional function der_f:
void der_f() {
  cout << "New" << endl;
}

I register the derived class and the new function like this:
luabind::module(L) [
        luabind::class_<GenericPlugin, IPlugin>("GenericPlugin")
        .def(luabind::constructor<>())
        .def("der_f", &GenericPlugin::der_f)
];

I can instantiate GenericPlugin from Lua (even using the constructor 
function and subsequently registering the created object as a global 
using luabind::globals(L)) and call 'base_f()' on it, which writes 
"Derived" to cout. However, when I try to call 'der_f()' on it, I again 
get:
No matching overload found, candidates:
void der_f(GenericPlugin&)

I suppose I have completely misunderstood something about the way 
derived classes are handled in luabind?

Thanks
Daniel

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