What's the simplest way to convert from a single character String to an ASCII value in Swift?

Question

I just want to get the ASCII value of a single char string in Swift. This is how I\'m currently doing it:

var singleChar = \"a\"
println(singleChar.unicodeSc         


        

Answer 1

With Swift 5, you can pick one of the following approaches in order to get the ASCII numeric representation of a character.

---

#1. Using Character's asciiValue property

Character has a property called asciiValue. asciiValue has the following declaration:

var asciiValue: UInt8? { get }

The ASCII encoding value of this character, if it is an ASCII character.

The following Playground sample codes show how to use asciiValue in order to get the ASCII encoding value of a character:

let character: Character = "a"
print(character.asciiValue) //prints: Optional(97)

let string = "a"
print(string.first?.asciiValue) //prints: Optional(97)

let character: Character = "