ClosureEg

import Foundation
import Glibc
 
 
func makeIncrementer(forIncrement amount: Int) -> () -> Int {
    var runningTotal = 0
    func incrementer() -> Int {
        runningTotal += amount
        return runningTotal
    }
    return incrementer
}
 
 
let incrementByTen = makeIncrementer(forIncrement: 10)
print( incrementByTen() ) // returns a value of 10
print( incrementByTen() ) // returns  a value of 20