Some 200 warnings eliminated from stdlib code

libraries/stdlib/test/CollectionTest.kt

@@ -211,7 +211,7 @@ class CollectionTest {
         assertEquals(4, byLength.size())
 
         val l3 = byLength.getOrElse(3, {ArrayList<String>()})
-        assertEquals(2, l3?.size)
+        assertEquals(2, l3.size)
     }
 
     test fun makeString() {

libraries/stdlib/test/OldStdlibTest.kt

@@ -11,13 +11,13 @@ import junit.framework.TestCase
 class OldStdlibTest() : TestCase() {
     fun testCollectionEmpty() {
         assertNot {
-            Arrays.asList(0, 1, 2)?.empty ?: false
+            Arrays.asList(0, 1, 2).empty
         }
     }
 
     fun testCollectionSize() {
         assertTrue {
-            Arrays.asList(0, 1, 2)?.size == 3
+            Arrays.asList(0, 1, 2).size == 3
         }
     }
 
@@ -29,7 +29,7 @@ class OldStdlibTest() : TestCase() {
         }
 
         for(b in x.inputStream) {
-           System.out?.println(b)
+            System.out.println(b)
         }
     }
 }

libraries/stdlib/test/TuplesTest.kt

@@ -26,8 +26,8 @@ class PairTest {
         assertTrue(p == Pair(1, "a"))
         assertTrue(p != Pair(2, "a"))
         assertTrue(p != Pair(1, "b"))
-        assertTrue(!(p as Object).equals(null))
-        assertTrue((p as Any) != "")
+        assertTrue(!(p : Object).equals(null))
+        assertTrue((p : Any) != "")
     }
 
     test fun pairHashCode() {
@@ -70,8 +70,8 @@ class TripleTest {
         assertTrue(t != Triple(2, "a", 0.0))
         assertTrue(t != Triple(1, "b", 0.0))
         assertTrue(t != Triple(1, "a", 0.1))
-        assertTrue(!(t as Object).equals(null))
-        assertTrue((t as Any) != "")
+        assertTrue(!(t : Object).equals(null))
+        assertTrue((t : Any) != "")
     }
 
     test fun tripleHashCode() {