Source code in the scala programming language

scala> val xml: scala.xml.Elem =
     | <inventory title="OmniCorp Store #45x10^3">
     |   <section name="health">
     |     <item upc="123456789" stock="12">
     |       <name>Invisibility Cream</name>
     |       <price>14.50</price>
     |       <description>Makes you invisible</description>
     |     </item>
     |     <item upc="445322344" stock="18">
     |       <name>Levitation Salve</name>
     |       <price>23.99</price>
     |       <description>Levitate yourself for up to 3 hours per application</description>
     |     </item>
     |   </section>
     |   <section name="food">
     |     <item upc="485672034" stock="653">
     |       <name>Blork and Freen Instameal</name>
     |       <price>4.95</price>
     |       <description>A tasty meal in a tablet; just add water</description>
     |     </item>
     |     <item upc="132957764" stock="44">
     |       <name>Grob winglets</name>
     |       <price>3.56</price>
     |       <description>Tender winglets of Grob. Just add water</description>
     |     </item>
     |   </section>
     | </inventory>

scala> val firstItem = xml \\ "item" take 1
firstItem: scala.xml.NodeSeq =
NodeSeq(<item upc="123456789" stock="12">
      <name>Invisibility Cream</name>
      <price>14.50</price>
      <description>Makes you invisible</description>
    </item>)

scala> xml \\ "price" map (_.text) foreach println
14.50
23.99
4.95
3.56

scala> val names = (xml \\ "name").toArray
names: Array[scala.xml.Node] = Array(<name>Invisibility Cream</name>, <name>Levitation Salve</name>, <name>Blork and Freen Instameal</name>, <name>Grob winglets</name>)