[Cython] Argument type declaration question

[Jason Evans]

Lisandro Dalcin wrote:
> Are you running Python 3.0? In Python 2.X, I do not expect big
> differences. Could you elaborate a bit more what you mean by str being
> treated differently than list/dict (int is a completely different
> thing, as it means a plain C int, not a PyInt_Type instance)?

I am using Python 2.6.

> On Mon, Oct 27, 2008 at 1:27 PM, Jason Evans <jasone at canonware.com> wrote:
>> I would like to be able to write code like the following:
>>
>>     cdef foo(int i, dict d, list l, str s):
>>        ...

Here's what I get if I try to compile the above:

============================================================
Error converting Pyrex file to C:
------------------------------------------------------------
...
def foo(int i, dict d, list l, str s):
                                   ^
------------------------------------------------------------

/home/jasone/foo.pyx:1:35: Expected ')'
============================================================

I can declare arguments to be of type dict or list, but not str.  I 
don't understand why str is treated differently.

Thanks,
Jason