GreatSyntacticShift: Syntax for function types, function literals, when and tuples

Bug:
fun loop(var times : Int) {
   while(times > 0) {
        val u : (value : Int) -> Unit = { // This arrow is confusing the lookahead
            System.out?.println(it)
        }
        u(times--)
   }
}

compiler/testData/diagnostics/tests/GenericArgumentConsistency.jet

@@ -13,28 +13,28 @@ trait BB1 : BA1<Int> {}
 trait BB2 : <!INCONSISTENT_TYPE_PARAMETER_VALUES!>BA1<Any>, BB1<!> {}
 
 
-namespace x {
+package x {
     trait AA1<out T> {}
     trait AB1 : AA1<Int> {}
     trait AB3 : AA1<Comparable<Int>> {}
     trait AB2 : AA1<Number>, AB1, AB3 {}
 }
 
-namespace x2 {
+package x2 {
     trait AA1<out T> {}
     trait AB1 : AA1<Any> {}
     trait AB3 : AA1<Comparable<Int>> {}
     trait AB2 : <!INCONSISTENT_TYPE_PARAMETER_VALUES!>AA1<Number>, AB1, AB3<!> {}
 }
 
-namespace x3 {
+package x3 {
     trait AA1<in T> {}
     trait AB1 : AA1<Any> {}
     trait AB3 : AA1<Comparable<Int>> {}
     trait AB2 : AA1<Number>, AB1, AB3 {}
 }
 
-namespace sx2 {
+package sx2 {
     trait AA1<in T> {}
     trait AB1 : AA1<Int> {}
     trait AB3 : AA1<Comparable<Int>> {}