Not exactly hard to fix:
Pike v7.7 release 30 running Hilfe v3.5 (Incremental Pike Frontend)
_typeof(master());
(1) Result: object(is master)
typeof(Stdio.File());
(2) Result: object(is Stdio.File)
typeof(Stdio.File);
(3) Result: function(void | string | int, string | void, int | void : object(is Stdio.File))