From: Bernardo Monteiro Rufino <bermonruf@...>
Date: 2007-12-08T08:25:04+09:00
Subject: Re: Problem with Hash of Arrays

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In addition, to create different Arrays objects use a block...

irb(main):001:0> a = Hash.new{|hash, key| hash[key] = Array.new;}
=> {}
irb(main):002:0> a[:first]
=> []
irb(main):003:0> a[:first] << "test"
=> ["test"]
irb(main):004:0> a[:sec]
=> []

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