{

static inline void* execute(PyObject* op)

{

typedef typename add_lvalue_reference<U>::type param;

return &Extractor::execute(

boost::python::detail::void_ptr_to_reference(

op, (param(*)())0 )

);

}

{

static MemberType& execute(InstanceType& c)

{

(void)Py_TYPE(&c); // static assertion

return c.*member;

}

{

static InstanceType& execute(InstanceType& c)

{

(void)Py_TYPE(&c); // static assertion

return c;

}

{

lvalue_from_pytype()

{

converter::registry::insert

( &extract

, detail::extractor_type_id(&Extractor::execute)

#ifndef BOOST_PYTHON_NO_PY_SIGNATURES

, &get_pytype

#endif

);

}

private:

static void* extract(PyObject* op)

{

return PyObject_TypeCheck(op, const_cast<PyTypeObject*>(python_type))

? const_cast<void*>(

static_cast<void const volatile*>(

detail::normalize<Extractor>(&Extractor::execute).execute(op)))

: 0

;

}

#ifndef BOOST_PYTHON_NO_PY_SIGNATURES

static PyTypeObject const*get_pytype() { return python_type; }

#endif