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func progress(incremented: CGFloat) {
    if incremented <= bounds.width {
        let fromPath = UIBezierPath(roundedRect: CGRect(x: 0, y: 0, width: 0, height: bounds.height), cornerRadius: viewCornerRadius)
        let toPath = UIBezierPath(roundedRect: CGRect(x: 0, y: 0, width: incremented, height: bounds.height), cornerRadius: viewCornerRadius)
        
        progressLayer.path = toPath.cgPath
        borderLayer.addSublayer(progressLayer)
        
        let animation = CABasicAnimation(keyPath: "path")
        animation.fromValue = fromPath.cgPath

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class Person {
    var name: String {
        didSet {
            listen?(self)
        }
    }
    
    var phone: Int {
        didSet {
            listen?(self)

robertmryan

import UIKit

class ViewController: UIViewController {

    weak var containerView: UIView!
    weak var button: UIButton!
  
    // Note, when programmatically creating views, you:
    //
    //  - Implement the view hierarchy in `loadView` (not to be confused with `viewDidLoad`)

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class Human: NSObject {
    var name: String
    var age: Int
    
    init(name: String, age: Int) {
        self.name = name
        self.age = age
        super.init()
    }
}

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protocol LoginViewControllerDelegate: class {
    func userDidLogin(data: String)
}

class LoginViewController: UIViewController {
    weak var delegate: LoginViewControllerDelegate?
    ...


    @IBAction func loginButtonPressed(sender:UIButton) {

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private weak var previousSearch: MKLocalSearch?

@IBAction func searchField(_ sender: UITextField) {
    
    // in case user location is shown, only remove non user location annotations
    
    let allAnnotations = mapView.annotations.filter { !($0 is MKUserLocation) }
    mapView.removeAnnotations(allAnnotations)
    
    // cancel prior search, if it's still underway; you should always only have one search at a time

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class ViewController: UIViewController {
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        segue.destination.transitioningDelegate = self
    }
}

extension ViewController: UIViewControllerTransitioningDelegate {
    func animationController(forDismissed dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning? {
        return AnimationController(presentationMode: .dismiss)
    }

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//
//  PieView.swift
//  MyApp
//
//  Created by Robert Ryan on 6/27/17.
//  Copyright © 2017 Robert Ryan. All rights reserved.
//

import UIKit

robertmryan

import UIKit
import PromiseKit

// recursive structure for purposes of demo

struct File {
    let name: String
    let subfiles: [File]?
    
    init(name: String, subfiles: [File]? = nil) {

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func somefunc(completion: ([String]) -> Void) {
    let something = ["One", "Two", "Three", "Four", "Five"]
    completion(something)
}

func appending() -> Int {
    var strings = [String]()
    somefunc { (result) in
        for i in 0 ..< result.count{
            strings.append(result[i])