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@alissonsales
Created July 27, 2009 19:43
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class Hash
def diff(hash)
raise ArgumentError, 'Argument is not a Hash' unless hash.is_a? Hash
kkeys = []
self.keys.each do |k|
diff = self[k].diff(hash[k]) if self[k].is_a? Hash and hash[k].is_a? Hash
kkeys << {k => diff} if diff and diff.size > 0
end
diff = self.keys - hash.keys
kkeys << diff if diff and diff.size > 0
return kkeys
end
end
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