>
> For your system, you may need a way of annotating function
> declarations with refcounting rules where they differ from
> the defaults.
Yeah, and i have to encode that to some extent in the type system.
However I have two techs to play with: Felix and C++. Both can,
for example, do subtyping
On 29/01/20 8:37 am, John Skaller2 wrote:
If I implement that with just static casts for coercions, then say,
given a dictionary and a function accepting a mapping argument,
you can pass a dictionary or mapping, but not an object.
If you want to pass an object you have to explicitly coerce it.
On 29/01/20 1:33 am, John Skaller2 wrote:
# This conflicts with the C++ bool type, and unfortunately
# C++ is too liberal about PyObject* <-> bool conversions,
# resulting in unintuitive runtime behavior and segfaults.
#("bool","PyBool_Type", []),
Now you have me worried! Any more
So I just had a thought, I might try something to enhance the bindings.
Not sure if it will work.
My system supports subtyping. For bindings and other nominal types
you can simple define a subtyping coercion.
Now in Python we have subtyping rules like:
dictionary -> mapping -> object
If I impl
> On 28 Jan 2020, at 21:07, Stefan Behnel wrote:
>
> John Skaller2 schrieb am 28.01.20 um 10:57:
>> What’s a “descr” when its at home?
>
> A descriptor, a special protocol in Python.
>
> https://docs.python.org/3/howto/descriptor.html
Got it, thanks!
>
>> There are some special words in px
John Skaller2 schrieb am 28.01.20 um 10:57:
> What’s a “descr” when its at home?
A descriptor, a special protocol in Python.
https://docs.python.org/3/howto/descriptor.html
> There are some special words in pxd files like “list” which mean
> PyObject that happens to be a list. Is there a list o
What’s a “descr” when its at home?
There are some special words in pxd files like “list” which mean
PyObject that happens to be a list. Is there a list of these somewhere?
—
John Skaller
skal...@internode.on.net
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