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199093 changed files with 3378972 additions and 0 deletions
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{:name => 'Zeus', :planet => 'Jupiter'}
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{name: 'Zeus', planet: 'Jupiter'}
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{1 => 'two', three: 4}
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{}
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hash = {}
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hash[666] = 'devil'
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hash[777] # => nil
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hash[666] # => 'devil'
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hash = Hash.new('unknown key')
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hash[666] = 'devil'
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hash[777] # => 'unknown key'
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hash[666] # => 'devil'
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hash = Hash.new { |h, k| "unknown key #{k}" }
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hash[666] = 'devil'
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hash[777] # => 'unknown key 777'
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hash[666] # => 'devil'
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hash = Hash.new { |h, k| h[k] = "key #{k} was added at #{Time.now}" }
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hash[777] # => 'key 777 was added at Sun Apr 03 13:49:57 -0700 2011'
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hash[555] # => 'key 555 was added at Sun Apr 03 13:50:01 -0700 2011'
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hash[777] # => 'key 777 was added at Sun Apr 03 13:49:57 -0700 2011'
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