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-rw-r--r--docs/examples/iterators.scala29
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diff --git a/docs/examples/iterators.scala b/docs/examples/iterators.scala
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+++ b/docs/examples/iterators.scala
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+package examples;
+
+object iterators {
+
+ def Array(elems: Double*): Array[Double] = {
+ val ar = new Array[Double](elems.length);
+ for (val i <- Iterator.range(0, elems.length))
+ ar(i) = elems(i);
+ ar
+ }
+
+ def printArray(xs: Array[Double]) =
+ Iterator.fromArray(xs) foreach { x => Console.println(x) };
+
+ def findGreater(xs: Array[Double], limit: Double) =
+ Iterator.fromArray(xs)
+ .zip(Iterator.from(0))
+ .filter{case Pair(x, i) => x > limit }
+ .map{case Pair(x, i) => i}
+
+ def main(args: Array[String]) = {
+ val ar = Array/*[Double]*/(6, 2, 8, 5, 1);
+ printArray(ar);
+ Console.println("Elements greater than 3.0:");
+ findGreater(ar, 3.0) foreach { x => Console.println(ar(x)) }
+ }
+
+}
+