BrandonShega

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

import UIKit
import XCPlayground
import PlaygroundSupport

extension UINavigationController {
    func popViewController(completion: @escaping () -> ()) {
        CATransaction.begin()
        CATransaction.setCompletionBlock(completion)

BrandonShega

var queue = Queue<String>()

queue.enqueue("Hello")
queue.enqueue("World")
queue.dequeue() // "Hello"
queue.dequeue() // "World"
queue.dequeue() // nil

BrandonShega

protocol Iteratable {}
extension RawRepresentable where Self: RawRepresentable {
	static func iterateEnum<T: Hashable>(_: T.Type) -> AnyIterator<T> {
		var i = 0
		return AnyIterator {
			let next = withUnsafePointer(to: &i) {
				$0.withMemoryRebound(to: T.self, capacity: 1) { $0.pointee }
			}
			if next.hashValue != i { return nil }
			i += 1

BrandonShega

Keybase proof

I hereby claim:

• I am brandonshega on github.
• I am bshega (https://keybase.io/bshega) on keybase.
• I have a public key ASA9VwW7yXulOo0DGhcJVrb4h5wUC--U1wzHrPuYzmQG6Qo

To claim this, I am signing this object:

BrandonShega

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

import UIKit
import Foundation
import PlaygroundSupport

let allStates = ["Alaska",
              "Alabama",
              "Arkansas",
              "American Samoa",

BrandonShega

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

import UIKit
import Foundation
import PlaygroundSupport

protocol MyDelegate: class {
	func didTapButton()
}

BrandonShega

func balanceStatements(_ list: String) -> String {
	var totalBuy = 0
	var totalSell = 0
	var malformedCount = 0
	var malformedOrders = [String]()

	let pattern = "\\w+ \\w+ \\d+\\.\\d+ \\w+"

	let orders = list.components(separatedBy: ",").filter { !$0.isEmpty }
	for order in orders {

BrandonShega

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

import UIKit
import PlaygroundSupport

var str = "Hello, playground"

protocol EditViewControllerDelegate: class {
	func didFinishEditing()
}

BrandonShega

import XCTest

class PlaygroundTestObserver: NSObject, XCTestObservation {
  @objc func testCase(_ testCase: XCTestCase, didFailWithDescription description: String, inFile filePath: String?, atLine lineNumber: UInt) {
    print("Test failed on line \(lineNumber): \(testCase.name), \(description)")
  }
}

struct TestRunner {
  func runTests(testClass: AnyClass) {

BrandonShega

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

import UIKit
import PlaygroundSupport

var str = "Hello, playground"

class MainViewController: UIViewController {

  let button: UIButton = {