From: Bernardo Monteiro Rufino <bermonruf@...>
Date: 2007-12-13T22:00:20+09:00
Subject: Re: suprised by destructive map (not map!)

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Use it:
irb(main):001:0> array = [[1], [2]]
=> [[1], [2]]
irb(main):002:0> array.map{|a| a += [3]}
=> [[1, 3], [2, 3]]
irb(main):003:0> array
=> [[1], [2]]

-- 
Bernardo Rufino

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