Slice functions for arrays and lists.

libraries/stdlib/test/collections/ListSpecificTest.kt

@@ -1,6 +1,5 @@
 package test.collections
 
-import java.util.ArrayList
 import kotlin.test.*
 import org.junit.Test
 
@@ -19,6 +18,17 @@ class ListSpecificTest {
         assertEquals(expected, actual)
     }
 
+    Test fun slice() {
+        val list = listOf('A', 'B', 'C', 'D')
+        // ABCD
+        // 0123
+        assertEquals(listOf('B', 'C', 'D'), list.slice(1..3))
+        assertEquals(listOf('D', 'C', 'B'), list.slice(3 downTo 1))
+
+        val iter = listOf(2, 0, 3)
+        assertEquals(listOf('C', 'A', 'D'), list.slice(iter))
+    }
+
     Test fun utils() {
         assertNull(empty.head)
         assertNull(empty.first)