natanrolnik

------ ⭣ Redundant Else ⭣ ------

if someCondition {
  return meh
} else {
  let someValue = callSomeFunction()
  return someValue
}

----------- ⭣ Fine ⭣ -----------

natanrolnik

//declare which keys in the JSON we are interested in
enum CodingKeys: String, CodingKey {
    case status
    case confirmedUsers
    case position
    case reason
}

//declare the possible values os the status key
private enum EventConfirmationStatus: String, Codable {

natanrolnik

//The following code depends on this:
//https://gist.github.com/sisoje/f1444dff45618938ce81324a81316690#file-nspredicate-keypath-operators-swift

import CoreData

extension NSManagedObject {
    static var entityName: String {
        return entity().name!
    }
}

natanrolnik

import Foundation

class Dispatcher {
    private var items = [DispatcherIdentifier: DispatchWorkItem]()

    private let queue: DispatchQueue

    deinit {
        cancelAllActions()
    }

natanrolnik

var micHintWorkItem: DispatchWorkItem?

func recordVoiceMessage() {
  micHintWorkItem?.cancel()
}

//in your viewDidAppear method, create and schedule the work item:
micHintWorkItem = DispatchWorkItem { [weak self] in
  self?.micButton.jump()
}

natanrolnik

//keep a variable to know if the user tapped the button:
var micButtonTapped = false

func recordVoiceMessage() {
  //if the user tapped/held the mic button, set the variable to true
  micButtonTapped = true
}

//in your viewDidAppear method, schedule it:
DispatchQueue.main.asyncAfter(.now() + 3) { [weak self] in

natanrolnik

//in your viewDidAppear method, schedule it:
DispatchQueue.main.asyncAfter(.now() + 3) { [weak self] in
  self?.micButton.jump()
}

natanrolnik

class NotificationThrottler {
    let notificationCenter: NotificationCenter
    let timeInterval: TimeInterval
    let handler: () -> Void
    private var workItem: DispatchWorkItem?

    deinit {
        notificationCenter.removeObserver(self)
    }

natanrolnik

PlaygroundPage.current.needsIndefiniteExecution = true

typealias DispatcherIdentifier = String

extension DispatchQueue {
    static var associatedValueKey = 0

    func schedule(after timeInterval: TimeInterval,
                  with identifier: DispatcherIdentifier,
                  action: @escaping () -> Void) {

natanrolnik

import Foundation
import PlaygroundSupport

typealias DispatcherIdentifier = String

class Dispatcher {
    private var items = [DispatcherIdentifier: DispatchWorkItem]()

    private let queue: DispatchQueue