import Foundation

public enum Result {
  case success
  case failure(Error)
  
  public var isSuccess: Bool {
    switch self {
    case .success:
      return true
    case .failure:
      return false
    }
  }
    
  public var isFailure: Bool {
    return !isSuccess
  }
 
  public var error: Error? {
    switch self {
    case .success:
      return nil
    case .failure(let error):
      return error
    }
  }
}