WARNING: String found where Type expected (did you use a => instead of a , ?) at lib/MyDemoTypes.pm line 14
WARNING: String found where Type expected (did you use a => instead of a , ?) at lib/MyDemoTypes.pm line 19
WARNING: String found where Type expected (did you use a => instead of a , ?) at lib/MyDemoTypes.pm line 19
WARNING: String found where Type expected (did you use a => instead of a , ?) at lib/MyDemoTypes.pm line 23
WARNING: String found where Type expected (did you use a => instead of a , ?) at lib/MyDemoTypes.pm line 23