Array

# File lib/rgen/array_extensions.rb, line 8
def >>(method)
        compact.inject([]) { |r,e| r | ( (o=e.send(method)).is_a?(Array) ? o : [o] ) }
end

# File lib/rgen/array_extensions.rb, line 12
def method_missing(m, *args)
        super unless size == 0 or compact.any?{|e| e.is_a? RGen::MetamodelBuilder::MMBase}
        # use an array to build the result to achiev similar ordering
        result = []
        inResult = {}
        compact.each do |e|
                if e.is_a? RGen::MetamodelBuilder::MMBase                            
                        ((o=e.send(m)).is_a?(Array) ? o : [o] ).each do |v|
                                next if inResult[v.object_id]
                                inResult[v.object_id] = true
                                result << v
                        end
                else
                        raise StandardError.new("Trying to call a method on an array element not a RGen MMBase")
                end
        end
        result.compact
end