Created
October 1, 2009 01:10
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| >> h = Hash.new(Hash.new) | |
| => {} | |
| >> h["1"]["2"] | |
| => nil | |
| >> h["1"]["2"] = "2" | |
| => "2" | |
| >> h["2"] | |
| => {"2"=>"2"} | |
| >> h["1"].object_id == h["2"].object_id | |
| => true |
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