for-in loop over any C array type

[scoder]

This should work:

cdef int nums[10] = {...}
cdef int i

for i in nums:
    print i

as well as this:

cdef int* nums = ...
cdef int i

for i in nums[:10]:
    print i

[scoder]

Implemented here:

 http://hg.cython.org/cython-devel/rev/4b2e6c18fe38