⭐Comparable Enums

Swift ⟩ enum ⟩

Swift 5.3 👉 SE0266

💈範例

💾 程式：paiza.io

// ⭐ Comparable Enums (Swift 5.3)
//   compare according to declaration order (earlier < later)
enum Color: Comparable {
    case blue
    case green
    case white(Double)  // ⭐ associated values must be `Comparable`
    case red
    case black
}

let colors: [Color] = [
    .blue, .black, .red, .white(0.7), .white(0.3), .red
]

print(colors.sorted())
// [.blue, .white(0.3), .white(0.7), .red, .red, .black]

📗 參考

• BetterProgramming ⟩ Comparable Enums in Swift 5.3 (💈範例)

👥 相關

• Sorting

• Comparable