Converting to Char/String from Ascii Int in Swift

Question

I\'m trying to convert the integer representation of an ascii character back into a string.

string += (char) int;

In other languages like J

Answer 1

It may not be as clean as Java, but you can do it like this:

var string = ""
string.append(Character(UnicodeScalar(50)))

You can also modify the syntax to look more similar if you like:

//extend Character so it can created from an int literal
extension Character: IntegerLiteralConvertible {
    public static func convertFromIntegerLiteral(value: IntegerLiteralType) -> Character {
        return Character(UnicodeScalar(value))
    }
}

//append a character to string with += operator
func += (inout left: String, right: Character) {
    left.append(right)
}

var string = ""
string += (50 as Character)

Or using dasblinkenlight's method:

func += (inout left: String, right: Int) {
    left += "\(UnicodeScalar(right))"
}
var string = ""
string += 50