From: Colin Bartlett <colinb2r@...>
Date: 2010-01-24T00:54:46+09:00
Subject: Re: how to define []=

On Sat, Jan 23, 2010 at 2:29 PM, hagbard <sin3141592@googlemail.com> wrote:
>> But how do we define the set method `[]='?
>
> Just define it.
>   def []=(i, value)
>    @ary[i] = value
>   end

And for a two dimensional array:
class QQ
  def initialize( arr ) ; @ary = arr ; end
  def []( i, j ) ; @ary[i][j] ; end
  def []=( i, j, value ) ; @ary[i][j] = value ; end
end

a = [ [0, 1], [10], [20, 21, 22] ]
q = QQ.new( a )
puts q[2, 1]
q[2, 1] = 2211
puts q[2, 1]