4 fail_compilation/b17285.d(14): Error: type `ONE` has no value
5 fail_compilation/b17285.d(14): Error: type `TWO` has no value
6 fail_compilation/b17285.d(14): Error: cannot implicitly convert expression `ONE` of type `b17285.ONE` to `int`
14 foreach(key
; [ONE
, TWO
, 1]) {}