Using Labels, from Swift 2 Essential Training ://www.lynda.com/Swift-tutorials/Using-labels/422096/447960-4.html

06_07_Using Labels.swift

// From Swift 2 Essential Training http://www.lynda.com/Swift-tutorials/Using-labels/422096/447960-4.html

var i = 0
let hello = "Hello, playground!"

start: do {
  i++
  
  do {
    print(hello)
    
    if i < 3 {
      continue start
    }
  }
}