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/Redeclarations.jet

@@ -1,11 +1,11 @@
-namespace redeclarations {
+package redeclarations {
   object <!REDECLARATION, REDECLARATION!>A<!> {
     val x : Int = 0
 
     val A = 1
   }
 
-  namespace <!REDECLARATION!>A<!> {
+  package <!REDECLARATION!>A<!> {
     class A {}
   }