object Test {
import scala.xml.{Node,HasKeyValue}
def domatch(x:Node): Node = {
val hasBar = new HasKeyValue("bar")
x match {
case Node("foo", hasBar(z), _*) => z
case _ => null
}
}
def main(args: Array[String]): Unit = {
println(domatch())
println(domatch())
//
// assert(domatch().toString == "baz")
// assert(domatch() == null)//, domatch())
}
}