On Mon, Aug 4, 2014 at 1:53 PM, Antoine Pitrou <anto...@python.org> wrote:
> I disagree. Unlike "nullable", "allow_none" does not tell me what >> happens on the C side when I pass in None. If the receiving type is >> PyObject*, either NULL or Py_None is a valid choice. >> > > But here the receiving type can be an int. We cannot "allow None" when the receiving type is C int. In this case, we need a way to implement "nullable int" type in C. We can use int * or a pair of int and _Bool or anything else. Whatever the implementation, the concept that is implemented is "nullable int." The advantage of using the term "nullable" is that it is language and implementation neutral.
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