Example of Codable enum

CodableEnum.swift

enum QuicklinkBinding: Codable {
    case icon(String)
    case title(String)
    case description(String)
    case action(Action)
    
    enum CodingKeys: CodingKey {
        case icon, title, description, action
    }
    
    func encode(to encoder: Encoder) throws {
        var container = encoder.container(keyedBy: CodingKeys.self)
        switch self {
        case .icon(let value):
            try container.encode(value, forKey: .icon)
        case .title(let value):
            try container.encode(value, forKey: .title)
        case .description(let value):
            try container.encode(value, forKey: .description)
        case .action(let value):
            try container.encode(value, forKey: .action)
        }
    }
    
    init(from decoder: Decoder) throws {
        let container = try decoder.container(keyedBy: CodingKeys.self)
        do {
            if let value = try container.decodeIfPresent(String.self, forKey: .title) {
                self = .title(value)
                return
            } else if let value = try container.decodeIfPresent(String.self, forKey: .description) {
                self = .description(value)
                return
            }
            let value = try container.decode(String.self, forKey: .icon)
            self = .icon(value)
        } catch {
            let value = try container.decode(Action.self, forKey: .action)
            self = .action(value)
        }
    }
}

where Action: Codable