From: Brian Candler <b.candler@...>
Date: 2008-12-03T20:14:37+09:00
Subject: Re: Question about op. overloading

Maarten Mortier wrote:
> What about
> sudoku[r][c]= a
> though?
> 
> Is that possible?

Simpler would be if you use sudoku[r,c] = a

Just define your []= method to take 3 arguments.

> And how woudl I get
> 
> puts sudoku[][3]
> 
> to return the third column?

Again, your [] method can take 2 arguments. sudoku[nil,c] could be used 
to give the column.

But I think a separate method for this makes more sense: sudoku.col(c)
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