Keith Harrison kharrison
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| // Example of refactoring with protocols | |
| // Original javascript version is from Refactoring (2nd Edition) by Martin Fowler | |
| import Foundation | |
| struct Play { | |
| enum Genre { | |
| case tragedy | |
| case comedy | |
| } |
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| public enum NetworkingError: Error { | |
| case unknown | |
| case unexpectedStatus(HTTPURLResponse) | |
| } | |
| extension URLSession { | |
| func load(_ url: URL, | |
| completionHandler: @escaping (Result<Data, Error>) -> Void) | |
| -> URLSessionDataTask { | |
| let task = dataTask(with: url) { data, response, error in |
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