added simpler take() implementation

2012-04-04 19:40:40 +01:00
parent b4cf0bff96
commit 0b813e131f
1 changed files with 2 additions and 5 deletions
@@ -155,11 +155,8 @@ public inline fun <in T> java.util.Iterator<T?>.requireNoNulls(): java.util.Iter
 * @includeFunctionBody ../../test/iterators/IteratorsTest.kt takeExtractsTheFirstNElements
 */
 public inline fun <T> java.util.Iterator<T>.take(n: Int): java.util.Iterator<T> {
-    fun countTo(n: Int): (T) -> Boolean {
-        var count = 0
-        return { ++count; count <= n }
-    }
-    return takeWhile(countTo(n))
+    var count = n
+    return takeWhile{ --count >= 0 }
 }

 /**