astrokin

public extension Optional {
    func expectedToBe(_ logMessage: String? = nil, line: Int = #line, file: StaticString = #file) -> Wrapped? {
        switch self {
        case let .some(some): return some
        case .none:
            print("[OPTIONAL] \(#function) \(file):\(line) message \(String(describing: logMessage))")
            return .none
        }
    }
}

astrokin

import UIKit

class ViewController: UIViewController {
	var state: State {
		didSet {
			label.text = state.debugDescription
			
			//	While the code is running on the main thread, the undo manager doesn’t update its state until after `registerUndo` returns. Using the DispatchQueue block allows the UI update to wait until this undo/redo operation completes.
			DispatchQueue.main.async {

astrokin

public extension UIDevice {
    
    public enum `Type` {
        case iPad
        case iPhone_unknown
        case iPhone_5_5S_5C
        case iPhone_6_6S_7_8
        case iPhone_6_6S_7_8_PLUS
        case iPhone_X_Xs
        case iPhone_Xs_Max

astrokin

import UIKit

/// A validation rule for text input.
public enum TextValidationRule {
    /// Any input is valid, including an empty string.
    case noRestriction
    /// The input must not be empty.
    case nonEmpty
    /// The enitre input must match a regular expression. A matching substring is not enough.
    case regularExpression(NSRegularExpression)

astrokin

### Keybase proof

I hereby claim:

  * I am astrokin on github.
  * I am manyak (https://keybase.io/manyak) on keybase.
  * I have a public key ASAlGYdaDIVXcae81zp0WPM4c2bb5Ky18U_7EHu0dVlgowo

To claim this, I am signing this object:

astrokin

//
//  Activity.swift
//
//  Created by Zachary Waldowski on 8/21/16.
//  Copyright © 2016 Zachary Waldowski. Licensed under MIT.
//

import os.activity

private final class LegacyActivityContext {

astrokin

import Foundation

class FontFitUtil {
  
  class func bestFontForText(_ text: String, font: UIFont, container: UIView) -> UIFont {
    return bestFontForText(text, font: font, container: container.bounds.size)
  }
  
  class func bestFontForText(_ text: String, font: UIFont, container: CGSize) -> UIFont {
    //make rect to calculate text a little bit smaller

astrokin

import UIKit

class AZTextFrameAttributes: NSObject {
  
  // MARK: - Properties
  
  fileprivate(set) var width: CGFloat = 0
  fileprivate(set) var string: String?
  fileprivate(set) var attributedString: NSAttributedString?
  

astrokin

final class ThreadSafe<A> {
  private var _value: A
  private let queue = DispatchQueue(label: "ThreadSafe")
  init(_ value: A) {
    self._value = value
  }
  var value: A {
    return queue.sync { _value }
  }
  func atomically(_ transform: (inout A) -> ()) {

astrokin

//MARK: - Observers
extension UIViewController {
  
  func addObserverForNotification(_ notificationName: Notification.Name, actionBlock: @escaping (Notification) -> Void) {
    NotificationCenter.default.addObserver(forName: notificationName, object: nil, queue: OperationQueue.main, using: actionBlock)
  }
  
  func removeObserver(_ observer: AnyObject, notificationName: Notification.Name) {
    NotificationCenter.default.removeObserver(observer, name: notificationName, object: nil)
  }