Never underestimate the Portia[1] trick. [1] http://www.rifters.com/real/2009/01/iterating-towards-bethlehem.html http://www.rifters.com/real/2009/01/iterating

Never underestimate the Portia[1] trick. [1] http://www.rifters.com/real/2009/01/iterating-towards-bethlehem.html http://www.rifters.com/real/2009/01/iterating-towards-bethle...