mansbernhardt

import Foundation
import PlaygroundSupport

enum Result<Value> {
    case success(Value)
    case failure(Error)
}

func data(at url: URL, completion: @escaping (Result<Data>) -> Void) {
    DispatchQueue.main.asyncAfter(deadline: .now() + 1) {

mansbernhardt

//: Playground - noun: a place where people can play
import Foundation


protocol Disposable {
    func dispose()
}

final class Disposer: Disposable {
    private var disposer: (() -> Void)?