Deub27

extension Sequence {
    func grouped<T>(by criteria: (Element) -> T) -> [T: [Element]] {
        var dict = [T: [Element]]()
        for element in self {
            let key = criteria(element)
            if dict.keys.contains(key) == false {
                dict[key] = [Element]()
            }
            dict[key]?.append(element)
        }

Deub27

import UIKit
import QuartzCore

extension CALayer {
    
    @objc var borderUIColor: UIColor {
        set {
            self.borderColor = newValue.cgColor
        }
        

Deub27

import UIKit

extension UIStackView {
    
    func removeAllArrangedSubviews() {
        
        let removedSubviews = arrangedSubviews.reduce([]) { (allSubviews, subview) -> [UIView] in
            self.removeArrangedSubview(subview)
            return allSubviews + [subview]
        }