import UIKit

typealias MyStringCompletion = (String) -> Void

class StaticViewDataSource: NSObject, UITableViewDelegate, UITableViewDataSource {
    var dataArray: [String]?
    var delegate: MyStringCompletion?

    init(items: [String]) {
        self.dataArray = items
    }

    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return dataArray?.count ?? 0
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "staticcell", for: indexPath)
        cell.textLabel?.text = dataArray?[indexPath.row]
        return cell
    }

    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        delegate?(dataArray?[indexPath.row] ?? "")
    }
}

   

import UIKit

// MARK: parent Class

class CleanTableViewController: UIViewController {
    @IBOutlet var tableView: UITableView!

    var datasource: StaticViewDataSource!
    let arrayString = ["b89", "a131", "5rte", "54gff"]

    override func viewDidLoad() {
        super.viewDidLoad()
        datasource = StaticViewDataSource(items: arrayString)
        tableView.dataSource = datasource
        tableView.delegate = datasource
        datasource.delegate = { str in
            print(str)
        }
    }
}

- $sudo chown -R $(whoami) /usr/local/Homebrew/
- password:
- $

➜  ios git:(development) brew install xcodegen
Updating Homebrew...
Warning: You are using macOS 10.15.
We do not provide support for this pre-release version.
You will encounter build failures with some formulae.
Please create pull requests instead of asking for help on Homebrew's GitHub,
Discourse, Twitter or IRC. You are responsible for resolving any issues you
experience, as you are running this pre-release version.

==> Downloading https://homebrew.bintray.com/bottles/xcodegen-2.6.0.mojave.bottle.tar.gz
-=O=-                                      #     #     #    #                 
curl: (7) Failed to connect to homebrew.bintray.com port 443: Operation timed out
Error: Failed to download resource "xcodegen"
Download failed: https://homebrew.bintray.com/bottles/xcodegen-2.6.0.mojave.bottle.tar.gz
Warning: Bottle installation failed: building from source.
==> Downloading https://github.com/yonaskolb/XcodeGen/archive/2.6.0.tar.gz
-=O=-          #     #    #     #                                             
curl: (7) Failed to connect to github.com port 443: Operation timed out
Error: An exception occurred within a child process:
  DownloadError: Failed to download resource "xcodegen"
Download failed: https://github.com/yonaskolb/XcodeGen/archive/2.6.0.tar.gz

➜  ios git:(development) brew install xcodegen
Updating Homebrew...
==> Auto-updated Homebrew!
Updated 4 taps (homebrew/core, homebrew/cask, dart-lang/dart and peripheryapp/periphery).
==> New Formulae
abseil                               dynet                                killswitch                           postgresql@11
adios2                               earthly                              kind                                 powerline-go
airshare                             elasticsearch@6.8                    komposition                          prestosql
alp                                  emacs-dracula                        krew                                 protobuf@3.7
ansible@2.8                          ensmallen                            kubebuilder                          protoc-gen-grpc-web
apollo-cli                           erlang@22                            kumactl                              prover9
appium                               eureka                               kyma-cli                             psc-package
archiver                             eva                                  lanraragi                            publish
arduino-cli                          faiss        
...

import Foundation

public protocol SomeProtocol: class {
    func didInteger(into: Int)
    func didTanDis(str: String)
}
extension SomeProtocol {
    func didString(str: String) {}
}

extension ProtocolViewController: SomeProtocol {
    func didInteger(into: Int) {
        print("go to "+into.description)
    }
}