Answered by : homeless-hare-yndri6wki812

import Foundation
let strings = [ "one", "two", "three"
]
let ints = strings.map { (string) -> Int in return string.count
}

Source : https://cocoacasts.com/swift-essentials-1-how-to-use-swift-map-to-transforms-arrays-sets-and-dictionaries | Last Update : Wed, 23 Dec 20