Multidimensional slicing

[Joseph Rushton Wakeling]

On 10/24/2012 04:15 PM, Joseph Rushton Wakeling wrote:
> The goal would be for the 2d array to store those weights, and the slices would
> allow you to look at that  collection from one of two viewpoints

I was thinking that something using map() might work, but what I can't see is 
how to have access to keys as well as values, in all the typical 
associative-array ways, without either having to do extra processing or storing 
the resulting output associative array.