Converting String to Int with Swift

Question

The application basically calculates acceleration by inputting Initial and final velocity and time and then use a formula to calculate acceleration. However, since the value

Answer 1

//Xcode 8.1 and swift 3.0

We can also handle it by Optional Binding, Simply

let occur = "10"

if let occ = Int(occur) {
        print("By optional binding :", occ*2) // 20

    }