import Foundation

​

let fullName    = "First Last"

let fullNameArr = fullName.components(separatedBy: " ")

​

let name    = fullNameArr[0]

let surname = fullNameArr[1]

var fullName: String = "First Last"

var fullNameArr = // something like: fullName.explode(" ") 

​

var firstName: String = fullNameArr[0]

var lastName: String? = fullnameArr[1]