eliperkins

#!/usr/bin/env ruby
# frozen_string_literal: true

require 'colored2'
require 'octokit'
require 'yaml'

if ENV['GITHUB_TOKEN'].nil?
  puts '❗️ GITHUB_TOKEN environment variable is not set!'.red
  puts 'Supply a token from gh CLI by running `GITHUB_TOKEN=$(gh auth token) script/check-outdated-deps.rb`'

eliperkins

struct SomeStruct {
    init(someReallyExpensiveValue: @autoclosure () -> Int) {
        print("really expensive")
        Thread.sleep(forTimeInterval: TimeInterval(someReallyExpensiveValue() * 1))
    }

    init(someEvenMoreExpensiveValue: @autoclosure () -> Int) {
        print("even more expensive")
        Thread.sleep(forTimeInterval: TimeInterval(someEvenMoreExpensiveValue() * 5))
    }

eliperkins

import UIKit

@objc(CLBLinearGradientView)
class LinearGradientView: UIView {
  @objc var layerBacked: Bool {
    didSet {
      switch (layerBacked, layerView) {
      case (true, .none): addLayerView()
      case (false, .some): removeLayerView()
      default: break

eliperkins

//: Playground - noun: a place where people can play
//: Super Bowl Squares - noun: free money

import Foundation
import PlaygroundSupport

enum Player: String {
    case eli = "Eli"
    case brian = "Brian"
    case brendan = "Brendan"

eliperkins

Keybase proof

I hereby claim:

• I am eliperkins on github.
• I am eliperkins (https://keybase.io/eliperkins) on keybase.
• I have a public key whose fingerprint is 9366 A899 5661 5641 D9F3 4624 99EA EEFE A3AA 2D9A

To claim this, I am signing this object:

eliperkins

import RxSwift

let A = Observable.just(())
let B = Observable.just(())
let C = Observable.just(())

let AorB = Observable.combineLatest(A, B) { (a, b) in
    return ()
}

eliperkins

protocol Able {
    init?(foo: String)
}

protocol Ible {
    init(bar: Int) throws
}

extension Able where Self: Ible {
    init?(foo: String) {

eliperkins

Apple TV Tech Talks

tvOS Fundamentals

• Living Room experience
• Always connected
• Powerful hardware
• Separate SDK with optional Universal Purchase
• Developer tools and tech

Designing for tvOS

eliperkins

// Given that a protocol unifies two types: BlogPost and PhotoPost...
protocol PostType {
    var title: String { get }
}

struct BlogPost: PostType {
    let title = "My Hot New Blog Post"
}

struct PhotoPost: PostType {

eliperkins

//: Mocks Playground

import UIKit

struct User {
}

struct PushNotificationController {
    let registrar: PushNotificationRegistrar
    init(registrar: PushNotificationRegistrar) {