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import SwiftyJSON

protocol JSONDecodable {
  init?(json: JSON)
}

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import SwiftyJSON

struct User {
  let name: String
}

// MARK: - JSON Decodable
extension User: JSONDecodable {
  init?(json: JSON)
  {

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import Alamofire
import SwiftyJSON
import UIKit

class ViewController: UIViewController {
  convenience init() { self.init(nibName: "ViewController", bundle: nil) }
  
  @IBOutlet weak var label: UILabel!
  var networkClient: NetworkClientType = NetworkClient()
  

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import Alamofire
import SwiftyJSON

protocol NetworkRequest {
  associatedtype ResponseType
  
  // Required
  var endpoint: String { get }
  var responseHandler: NSData -> ResponseType? { get }
  

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import Alamofire
import SwiftyJSON

protocol NetworkClientType {
  func makeRequest<Request: NetworkRequest>(networkRequest: Request, callback: (NSData?, ErrorType?) -> Void)
}

struct NetworkClient: NetworkClientType {
  func makeRequest<Request: NetworkRequest>(networkRequest: Request, callback: (NSData?, ErrorType?) -> Void)
  {

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import Alamofire

protocol FetchUserType: NetworkRequest {
  associatedtype ResponseType = User
  func perform(username: String, callback: (User?, ErrorType?) -> Void)
}

final class FetchUser: FetchUserType {
  typealias ResponseType = User
  

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import Alamofire

class FetchUser: NetworkRequest {
  typealias ResponseType = User
  
  var endpoint: String { return "post" }
  var method: Alamofire.Method { return .POST }
  var params: [String : AnyObject] { return ["param": username] }
  
  private var username = ""  

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import Alamofire
import SwiftyJSON
import UIKit

class ViewController: UIViewController {
  convenience init() { self.init(nibName: "ViewController", bundle: nil) }
  
  @IBOutlet weak var label: UILabel!
  var fetchUser = FetchUser()
  

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@testable import NetworkingEvolution
import SwiftyJSON
import XCTest

class ViewControllerTests: XCTestCase {
  var viewController: ViewController!
  
  override func setUp()
  {
    super.setUp()

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@testable import NetworkingEvolution
import SwiftyJSON
import XCTest

class ViewControllerTests: XCTestCase {
  var viewController: ViewController!
  
  override func setUp()
  {
    super.setUp()