tasks a-s

Task/Priority-queue/Scala/priority-queue-1.scala

@@ -0,0 +1,9 @@
+import scala.collection.mutable.PriorityQueue
+case class Task(prio:Int, text:String) extends Ordered[Task] {
+  def compare(that: Task)=that.prio compare this.prio
+}
+
+//test
+var q=PriorityQueue[Task]() ++ Seq(Task(3, "Clear drains"), Task(4, "Feed cat"),
+  Task(5, "Make tea"), Task(1, "Solve RC tasks"), Task(2, "Tax return"))
+while(q.nonEmpty) println(q dequeue)

Task/Priority-queue/Scala/priority-queue-2.scala

@@ -0,0 +1,4 @@
+case class Task(prio:Int, text:String)
+implicit def taskOrdering=new Ordering[Task] {
+  def compare(t1:Task, t2:Task):Int=t2.prio compare t1.prio
+}