Cool.

On May 15, 2009, at 1:52 PM, Stefan Behnel wrote:

> Hi,
>
> couldn't resist to announce that this little optimisation is now in
> cython-unstable. An example of a corresponding for-in loop is below.
>
> Have fun,
>
> Stefan
>
> /* ...
>  * def multi_c_enumerate():
>  *     cdef int a,b,c,d
>  *     for a,(b,(c,d)) in enumerate(enumerate(enumerate(range(1,5)))):
>         # <<<<<<<<<<<<<<
>  *         print a,b,c,d
>  */
>   __pyx_t_1 = 0;
>   __pyx_t_2 = 0;
>   __pyx_t_3 = 0;
>   for (__pyx_t_4 = 1; __pyx_t_4 < 5; __pyx_t_4+=1) {
>     __pyx_v_d = __pyx_t_4;
>     __pyx_v_c = __pyx_t_3;
>     __pyx_t_3 = (__pyx_t_3 + 1);
>     __pyx_v_b = __pyx_t_2;
>     __pyx_t_2 = (__pyx_t_2 + 1);
>     __pyx_v_a = __pyx_t_1;
>     __pyx_t_1 = (__pyx_t_1 + 1);
>
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