Swift HTTP Call

HttpCall.swift

httpCall(url: 'http://worldtimeapi.org/api/timezone/Europe/Rome') { (result) in
  print(result)
}

func httpCall(url: String, completion: @escaping (_: [String: Any]) -> Void) {
  let url = URL(string: url)!

  let task = URLSession.shared.dataTask(with: url) {(data, response, error) in
    guard let data = data else { return }

    do {
      let json = try JSONSerialization.jsonObject(with: data, options: []) as? [String: Any]

      completion(json ?? [:])
    } catch {
        print("JSON error: \(error.localizedDescription)")
      completion([:])
    }
  }

  task.resume()
}