A-M baby

Task/Generator-Exponential/Scala/generator-exponential-1.scala

@@ -0,0 +1,14 @@
+object Generators {
+   def main(args: Array[String]): Unit = {
+      def squares(n:Int=0):Stream[Int]=(n*n) #:: squares(n+1)
+      def cubes(n:Int=0):Stream[Int]=(n*n*n) #:: cubes(n+1)
+		
+      def filtered(s:Stream[Int], c:Stream[Int]):Stream[Int]={
+         if(s.head>c.head) filtered(s, c.tail)
+         else if(s.head<c.head) Stream.cons(s.head, filtered(s.tail, c))
+         else filtered(s.tail, c)
+      }
+
+      filtered(squares(), cubes()) drop 20 take 10 print
+   }
+}

Task/Generator-Exponential/Scala/generator-exponential-2.scala

@@ -0,0 +1,5 @@
+def filtered2(s:Stream[Int], c:Stream[Int]):Stream[Int]=(s, c) match {
+   case (sh#::_, ch#::ct) if (sh>ch) => filtered2(s, ct)
+   case (sh#::st, ch#::_) if (sh<ch) => sh #:: filtered2(st, c)
+   case (_#::st, _) => filtered2(st, c)
+}