From: martindemello@...
Date: 2002-11-10T07:23:10+09:00
Subject: Re: Multi-dimensional (like 2) arrays in Ruby

Charles Hixson <charleshixsn@earthlink.net> wrote:
>>
> It does, but that's a slow implementation, though flexible.  I have been 
> trying to figure out NArray, and bouncing.  This is less flexible, but 
> much faster.  (However it depends on knowing the size of all but the 
> last dimension of the array at indexing time -- like the way that 
> Fortran does it, only a bit more dynamic.)

I implemented a fixed-size n-dimensional array class in Ruby once
(mostly because I wanted something that supported multidimensional
slices), but it was terribly slow (to the point of uselessness). I might
try it again as a way to learn about C extensions some day.

martin