目的完了してしまった #CodePiece

CodePiece.swift

enum Fruit {
    case peach
    case apple
    case grape

}

var fruits: [Fruit] = []
for i in 0..<0xff*MemoryLayout<Fruit>.size {
    var n = i
    var ptr = withUnsafePointer(to: &n) { UnsafeRawPointer($0) }
        .bindMemory(to: Fruit.self, capacity: MemoryLayout<Fruit>.size)
    if ptr.pointee.hashValue != n { break }
    fruits.append(ptr.pointee)
}
fruits // [peach, apple, grape]