UIKit Dequeue cell extensions

Cell+dequeue.swift

import UIKit

extension UITableView {
    func dequeue<Cell: UITableViewCell>(
        _ reusableCellType: Cell.Type,
        for indexPath: IndexPath,
        identifier: String? = nil
    ) -> Cell {
        let identifier = identifier ?? String(describing: reusableCellType)
        register(reusableCellType, forCellReuseIdentifier: identifier)
        guard let cell = dequeueReusableCell(withIdentifier: identifier, for: indexPath) as? Cell else {
            fatalError("Unable to dequeue \(reusableCellType)")
        }
        return cell
    }
}

extension UICollectionView {
    func dequeue<Cell: UICollectionViewCell>(
        _ reusableCellType: Cell.Type,
        for indexPath: IndexPath,
        identifier: String? = nil
    ) -> Cell {
        let identifier = identifier ?? String(describing: reusableCellType)
        register(reusableCellType, forCellWithReuseIdentifier: identifier)
        guard let cell = dequeueReusableCell(withReuseIdentifier: identifier, for: indexPath) as? Cell else {
            fatalError("Unable to dequeue \(reusableCellType)")
        }
        return cell
    }
}