http://ericasadun.com/2015/11/24/wrapping-and-indentation-opinions/ response

wrapping-and-indentation-opinions.swift

enum StringPaddingStyle {case Left, Right}

func padStringToLength(
   sourceString: String,
   destinationCount: Int,
   paddingStyle: StringPaddingStyle = .Left,
   paddingCharacter: Character = " "
) -> String {
   let padCount = destinationCount - sourceString.characters.count,
      padString = String(count: padCount, repeatedValue: paddingCharacter)
   return paddingStyle == .Left ? padString + sourceString
      : sourceString + padString
}

func elongatedToShowRationaleForShortcuts(
   sourceString: String,
   destinationCount: Int,
   paddingStyle: StringPaddingStyle = .Left,
   paddingCharacter: Character = " "
) -> String {
   let standsAlone = ""
   let
      standsAlone1 = "",
      standsAlone2 = "",
      standsAlone3 = ""
   let isUsedAgainInThisList = "",
   
      reliesOnIsUsedInThisList = isUsedAgainInThisList,
      andThisAlsoRelies = isUsedAgainInThisList
   
   let padCount = destinationCount - sourceString.characters.count,
      padString = String(count: padCount, repeatedValue: paddingCharacter)
   return {
      if paddingStyle == .Left {return padString + sourceString}
      else {return sourceString + padString}
   }()
}