[Cython] template types

[Dag Sverre Seljebotn]

Robert Bradshaw wrote:
> On May 5, 2009, at 10:23 PM, Dag Sverre Seljebotn wrote:
> 
>> Stefan Behnel wrote:
>>> Lisandro Dalcin wrote:
>>>> On Tue, May 5, 2009 at 6:28 PM, Stefan Behnel wrote:
>>>>> I meant
>>>>>
>>>>>    cdef MyType(object) [(T,V)]:
>>>>>
>>>>> here, although I now noticed that there is already the "private  
>>>>> type"
>>>>> syntax:
>>>>>
>>>>> cdef public class _Document [ type LxmlDocumentType, object
>>>>> LxmlDocument ]:
>>>>>    ...
>>>>>
>>>>> so this won't work straight away either...
>>>>>
>>>> But this would work anyway, right?
>>> Not that easily. You could have both [] parts next to each other,  
>>> or just
>>> any one of them. So the parser would fail if you decided to call your
>>> template variable "type", which isn't that a bad name in this  
>>> context.
>> How about
>>
>> cdef class A:
>>     T, V = cython.template_args(type, type)
>>
>> ?
> 
> I prefer the MyType[T,V] syntax. It encapsulates the "meta-type"  
> idea, and also the same syntax can be used both in declaring the type  
> and instantiating the type.

BTW will this discussion also be used for C++ templates, so that the 
consensus seem to be

some_cpp_class[int]

for template instantiation?

-- 
Dag Sverre