# File lib/json-schema/util/array_set.rb, line 6
        def include?(obj)
                # On first invocation create a HASH (yeah, yeah) to act as our set given the array values
                if !defined? @array_values
                        @array_values = {}
                        self.each {|x| @array_values[x] = 1}
                end
                @array_values.has_key? obj
        end