From: Handy Gandy <handigandy-es@...>
Date: 2010-09-14T22:55:12+09:00
Subject: Iterate over a cartesian product.

I have an array of N arrays A_i: [A_1,A_2,...,A_N].

I want to iterate over the cartesian product A_1xA_2...xA_N.

Is there a simple way of doing this without specifying N?