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/UninitializedOrReassignedVariables.jet

@@ -1,4 +1,4 @@
-namespace uninitialized_reassigned_variables
+package uninitialized_reassigned_variables
 
 fun doSmth(<!UNUSED_PARAMETER!>s<!>: String) {}
 fun doSmth(<!UNUSED_PARAMETER!>i<!>: Int) {}