A convoluted way to add an Integer to a Character and get another Character in Swift

add_int_to_character.swift

// Per the BNR iOS programming guide's chapter on creating BNRItem
import Cocoa
import Foundation

extension Character {
    func unicodeIntValue() -> UInt32
    {
        let str = String(self)
        return str.unicodeScalars[str.unicodeScalars.startIndex].value
    }
    
    func addIntToCharacter(value: UInt32) -> Character
    {
        let old_int = self.unicodeIntValue()
        return Character(UnicodeScalar(old_int + value))
    }
}

let thing = Character("A")
thing.addIntToCharacter(UInt32(10))