states.swift

let stateDictionary: [String : String] = [
    "AK" : "Alaska",
    "AL" : "Alabama",
    "AR" : "Arkansas",
    "AS" : "American Samoa",
    "AZ" : "Arizona",
    "CA" : "California",
    "CO" : "Colorado",
    "CT" : "Connecticut",
    "DC" : "District of Columbia",
    "DE" : "Delaware",
    "FL" : "Florida",
    "GA" : "Georgia",
    "GU" : "Guam",
    "HI" : "Hawaii",
    "IA" : "Iowa",
    "ID" : "Idaho",
    "IL" : "Illinois",
    "IN" : "Indiana",
    "KS" : "Kansas",
    "KY" : "Kentucky",
    "LA" : "Louisiana",
    "MA" : "Massachusetts",
    "MD" : "Maryland",
    "ME" : "Maine",
    "MI" : "Michigan",
    "MN" : "Minnesota",
    "MO" : "Missouri",
    "MS" : "Mississippi",
    "MT" : "Montana",
    "NC" : "North Carolina",
    "ND" : "North Dakota",
    "NE" : "Nebraska",
    "NH" : "New Hampshire",
    "NJ" : "New Jersey",
    "NM" : "New Mexico",
    "NV" : "Nevada",
    "NY" : "New York",
    "OH" : "Ohio",
    "OK" : "Oklahoma",
    "OR" : "Oregon",
    "PA" : "Pennsylvania",
    "PR" : "Puerto Rico",
    "RI" : "Rhode Island",
    "SC" : "South Carolina",
    "SD" : "South Dakota",
    "TN" : "Tennessee",
    "TX" : "Texas",
    "UT" : "Utah",
    "VA" : "Virginia",
    "VI" : "Virgin Islands",
    "VT" : "Vermont",
    "WA" : "Washington",
    "WI" : "Wisconsin",
    "WV" : "West Virginia",
    "WY" : "Wyoming"
]

enum UnitedStates: String {
    case AK,AL,AR,AS,AZ,CA,CO,CT,DC,DE,FL,GA,GU,HI,IA,ID,IL,IN,KS,KY,LA,MA,MD,ME,MI,MN,MO,MS,MT,NC,ND,NE,NH,NJ,NM,NV,NY,OH,OK,OR,PA,PR,RI,SC,SD,TN,TX,UT,VA,VI,VT,WA,WI,WV,WY
    
    func full() -> String? {
        if let fullName = stateDictionary[self.rawValue] {
            return fullName
        }
        return nil
    }
}