call

# File actionview/lib/action_view/template/handlers/builder.rb, line 8
      def call(template, source)
        require_engine
        # the double assignment is to silence "assigned but unused variable" warnings
        "xml = xml = ::Builder::XmlMarkup.new(indent: 2, target: output_buffer.raw);"            "#{source};"            "output_buffer.to_s"
      end