Swift Int ordinal

gistfile1.swift

extension Int {
    var ordinal: String {
        get {
            var suffix: String = ""
            var ones: Int = self % 10;
            var tens: Int = (self/10) % 10;
            
            if (tens == 1) {
                suffix = "th";
            } else if (ones == 1){
                suffix = "st";
            } else if (ones == 2){
                suffix = "nd";
            } else if (ones == 3){
                suffix = "rd";
            } else {
                suffix = "th";
            }
            
            return suffix
        }
    }
}