[Python-Dev] PEP: Adding data-type objects to Python

[Greg Ewing]

Travis Oliphant wrote:

> I'm not sure I understand what you mean by "incomplete / recursive" 
> types unless you are referring to something like a node where an element 
> of the structure is a pointer to another structure of the same kind 
> (like used in linked-lists or trees).

Yes, and more complex arrangements of types that
reference each other.

>  If that is the case, then it's 
> easily supported once support for pointers is added.

But it doesn't fit easily into the single-object
model.

--
Greg