Class instance

include/win/boost/python/object/instance.hpp:21–37

// Each extension instance will be one of these
template <class Data = char>
struct instance
{
    PyObject_VAR_HEAD
    PyObject* dict;
    PyObject* weakrefs; 
    instance_holder* objects;

    typedef typename type_with_alignment<
        ::boost::alignment_of<Data>::value
    >::type align_t;
          
    union
    {
        align_t align;
        char bytes[sizeof(Data)];
    } storage;
};

template <class Data>
struct additional_instance_size