1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21namespace Duets.Entities [<AutoOpen>] module CityTypes = /// ID for a country in the game world, which declared every possible country /// available in the game. type CountryId = | CzechRepublic | England | Spain | UnitedStates /// ID for a city in the game world, which declared every possible city /// available in the game. type CityId = | London | LosAngeles | Madrid | NewYork | Prague