[Cython] Storing many, many instances

[Lisandro Dalcin]

On Tue, May 5, 2009 at 8:53 AM, Stefan Behnel <stefan_ml at behnel.de> wrote:
>
> Dag Sverre Seljebotn wrote:
>>> Stéfan van der Walt wrote:
>>>> I think I may have to switch to structs instead of classes, but then I
>>>> no longer have convenient methods or array members.  Maybe I should
>>>> rewrite my class to have many static methods that operate on a struct,
>>>> and then collect the structs as data instead of the full instances.
>>> Technically it would not be too difficult to allow
>>>
>>> cdef struct MyStruct:
>>>     void foo(self):
>>>         # self is pure MyStruct, perhaps stack-allocated
>>>
>
> I wouldn't mind. We have a lot of convenience stuff in structs already
> (e.g. dict coercion and keyword arguments), so adding methods with the
> above semantics wouldn't hurt.
>

I agree...

> It's not rewriting C++ either, as long as it makes sense in Cython as a
> language.
>

But them someone will ask for polimorphism, and then the struct
instances could have a pointer to a struct-specific vtable, and then
you are more or less rewriting C++. And that would not bother me,
currently cdef methods do work as a sort C++, right?.


-- 
Lisandro Dalcín
---------------
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