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Swift Trailing Closure

func grabLunch(message: String, search: ()->()) {
   print(message)
   search()
}

// use of trailing closure
grabLunch(message:"Let's go out for lunch")  {
  print("Alfredo's Pizza: 2 miles away")
}
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Trailing Closure Swift

// function definition
func grabLunch(message: String, search: ()->()) {
  ...
}
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