UnkownEnumCase.swift

enum Status: Decodable {
  case completed, inProgress
  case other(String)
  
  init(from decoder: Decoder) throws {
    let container = try decoder.singleValueContainer()
    let value = try container.decode(String.self)
    
    switch value {
    case "completed": self = .completed
    case "inProgress": self = .inProgress
    default: self = .other(value)
    }
  }
}