ActiveSupport、Hash.from_xml
>> require "rubygems" => true >> require "active_support" => true >> Hash.from_xml([].to_xml) => {"nil_classes"=>[]} >> Hash.from_xml([{:foo => 1, :bar => 2}, {:baz => 3}].to_xml) => {"records"=>[{"foo"=>1, "bar"=>2}, {"baz"=>3}]}