MarcoSantarossa

import XCTest
@testable import SampleApp

final class SampleAppTests: XCTestCase {

    func testExample() {
        expect("myValue").not().toBeNil()
      
        expect(5).toBe(5)
      

MarcoSantarossa

import UIKit

typealias EmptyClosure = () -> Void

final class MyEW {
    let onDo: EmptyClosure

    init(onDo: @escaping EmptyClosure) {
        self.onDo = onDo
    }

MarcoSantarossa

final class CacheLRU<Key: Hashable, Value> {
    
    private struct CachePayload {
        let key: Key
        let value: Value
    }
    
    private let capacity: Int
    private let list = DoublyLinkedList<CachePayload>()
    private var nodesDict = [Key: DoublyLinkedListNode<CachePayload>]()

MarcoSantarossa

import Foundation

class AsyncOperation: Operation {
    enum State: String {
        case isReady, isExecuting, isFinished
    }
    
    override var isAsynchronous: Bool {
        return true
    }