On Mon, Apr 28, 2014 at 11:42 AM, Paul Sokolovsky <pmis...@gmail.com> wrote:
Well, it's easy to treat "object" class as a special-case, "null" > class. But the implementation doesn't, at least not for the question you're asking. > So, let's re-formulate questions above with "where such > native base classes are not 'object'". > > > > > Basically, if two classes have compatible layouts, you can inherit > > from both at once. > > How is "compatible layout" defined? Or "layout" for that matter at > all? > The layout is what the C struct defining the object looks like. These are typically defined in headers in the Include directory (e.g. listobject.h). The definition of compatible layout is defined by the C code that gives the error message when it's incompatible. Sorry, I don't recall exactly where that is, so I recommend that you just look at CPython's source tree. (I know you have a personal desire not to look at CPython, but I can't help you without referring to it anyway.) -- --Guido van Rossum (python.org/~guido)
_______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
