srstanic

import XCTest
import Combine
import RealmSwift

class RealmMultiThreadingStaleDataTests: XCTestCase {
    private var cancellables: Set<AnyCancellable>!
    
    override func setUpWithError() throws {
        super.setUp()
        cancellables = []

srstanic

import UIKit

struct CollectionItemModel {
    let title: String?
    let image: UIImage?
}

/// First set `model` and then present on screen.
final class MyCollectionViewController: UICollectionViewController {
    var models: [CollectionItemModel]?

srstanic

import UIKit

struct CollectionItemModel {
    let title: String?
    let image: UIImage?
}

struct CellController {
    var model: CollectionItemModel
    func getCell(collectionView: UICollectionView, indexPath: IndexPath) -> UICollectionViewCell {

srstanic

import UIKit

protocol CellController {
    func getCell(collectionView: UICollectionView, indexPath: IndexPath) -> UICollectionViewCell
}

struct TextItemModel {
    let title: String
}

srstanic

// Presenter

typealias SomeViewModel = String // this is just a placeholder for your view model type

protocol SomeView {
    func showSomething(viewModel: SomeViewModel)
}

protocol SomeViewOutput {
    func onUserAction()

srstanic

enum LoadableContentState<LoadedContentType, ErrorContentType> {
  case loading
  case loaded(content: LoadedContentType)
  case error(content: ErrorContentType)
}

// error content for the transactions list screen
struct TransactionsListLoadingErrorContent {
  let title: String
  let subtitle: String