From: Evan Farrar <evanfarrar@...>
Date: 2009-03-20T02:36:15+09:00
Subject: Re: Initializing an NxN array

Evan Farrar wrote:
> Since * is defined on array, you can start with a 1x1 array and multiply 
> to the size you need.
> 
> 
> n = 3;
> ary = [[0]*n]*n
> 
> results in:
> ary => [[0, 0, 0], [0, 0, 0], [0, 0, 0]]

whoops! that has the same problem mentioned above:
irb(main):026:0> ary[0][0] = :foo; ary
=> [[:foo, 0, 0], [:foo, 0, 0], [:foo, 0, 0]]

I retract!
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