On Sun, Jan 18, 2015 at 2:17 AM, Nicolas M. Thiery
<nicolas.thi...@u-psud.fr> wrote:
> Hi Robert,
>
> On Tue, Jan 13, 2015 at 06:11:09PM -0800, Robert Bradshaw wrote:
>> :). It might be possible, but it'd be really, really messy (messier
>> than it is in C++, because one needs the shared PyObject_HEAD to be
>> correctly accessed by all the Python C API framework).
>
> Didn't you mention at some point that, for purely abstract classes
> (like those from categories), this would be not so bad?
True. Or the diamond pattern without any members added along one of
the branches. But there's still the issue that if I had
cdef class A(object): pass
cdef class B(object): pass
and someone else wrote
cdef class C(A, B): ...
now adding members to A and B would unknowingly break C which used to be valid.
- Robert
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