[Python-Dev] PEP: Adding data-type objects to Python
"Martin v. Löwis"
martin at v.loewis.de
Sun Oct 29 11:20:08 CET 2006
Robert Kern schrieb:
>> As I unification mechanism, I think it is insufficient. I doubt it
>> can express all the concepts that ctypes supports.
> What do you think is missing that can't be added?
I can factually only report what is missing. Whether it can be added,
I don't know. As I just wrote in a few other messages: pointers,
unions, functions pointers, packed structs, incomplete/recursive
types. Also "flexible array members" (i.e. open-ended arrays).
While it may be possible to come up with a string syntax to describe
all these things (*), I wonder whether it should be done, and whether
NumArray can then support this extended data model.
(*) perhaps with the exception of incomplete types: C needs forward
references in its own syntax.
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