SWIFT

swift enum all cases

enum Animal: CaseIterable {
    case monkey
    case leon
}

Animal.allCases.forEach { print($0) }

Swift e Over enum Cases

// conform Languages to caseIterable 
enum Season: CaseIterable {
  case spring, summer, autumn, winter 
}

// for loop to iterate over all cases
for currentSeason in Season.allCases {
  print(currentSeason)
}