Created
July 17, 2013 15:06
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| def sort_key(obj) | |
| if obj.is_a?(Array) | |
| obj.map { |o| sort_key o } | |
| elsif obj.respond_to?(:is_a_number?) && obj.is_a_number? | |
| obj.to_f | |
| elsif obj.respond_to?(:downcase) | |
| obj.downcase | |
| else | |
| obj | |
| end | |
| end |
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