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object Test {
import java.util.Comparator
class C1(val s: String) extends Comparable[C1] {
def compareTo(other: C1) = s compareTo other.s
override def toString = s
}
class C2(val s: String) {
def compareTo(other: C2) = s compareTo other.s
override def toString = s
}
implicit val cmp: Comparator[C2] = new Comparator[C2] {
def compare(p1: C2, p2: C2) = p2.s compareTo p1.s
}
val strs = "zip foo bar baz aggle bing bong" split ' ' toList
val c1s = strs map (x => new C1(x))
val c2s = strs map (x => new C2(x))
val sorted1 = c1s.sorted map (_.s)
val sorted2 = c2s.sorted map (_.s)
def main(args: Array[String]): Unit = {
assert(sorted1 == sorted2.reverse)
}
}
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