FunctionsAsClosures.swift

// Thanks André Schneider https://twitter.com/_schneiderandre

import UIKit

// Closure stored in Constant
let helloWorldClosure = { print("Hello World - 1") }
helloWorldClosure()

// Function stored in Constant
func helloWorldFunction() {
  print("Hello World - 2")
}

let helloWorld = helloWorldFunction
helloWorld()