Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Shared, Exclusive, Mutable, Immutable

Greg Heo
May 10, 2018
Technology
0
140

Shared, Exclusive, Mutable, Immutable

NSBudapest, May 2018

Greg Heo

May 10, 2018
Tweet

More Decks by Greg Heo

See All by Greg Heo
Concurrency From the Ground Up
gregheo
0
180
The least you need to know about hashing in Swift
gregheo
0
120
Shared Mutable State
gregheo
0
400
Promises, Futures, and the Shape of Your Code
gregheo
0
59
Getting Under Swift’s Skin
gregheo
0
520
Sanitizing Threads for Fun & Profit
gregheo
0
120
Sanitizing 
All* The Things
gregheo
0
58
Thirteen Ways of Looking at a View Controller
gregheo
0
120
Five Unbelievable Secrets of Reactive Programming the Experts Don't Want You to Know!
gregheo
3
370

Other Decks in Technology

See All in Technology
30分でわかる「リスクから学ぶKubernetesコンテナセキュリティ」/30min-k8s-container-sec
mochizuki875
3
410
生成AI × 旅行 LLMを活用した旅行プラン生成・チャットボット
kominet_ava
0
140
効率的な技術組織が作れる！書籍『チームトポロジー』要点まとめ
iwamot
2
200
デジタルアイデンティティ技術 認可・ID連携・認証 応用 / 20250114-OIDF-J-EduWG-TechSWG
oidfj
2
490
Oracle Exadata Database Service(Dedicated Infrastructure)：サービス概要のご紹介
oracle4engineer
PRO
0
12k
.NET AspireでAzure Functionsやクラウドリソースを統合する
tsubakimoto_s
0
160
デジタルアイデンティティ人材育成推進ワーキンググループ 翻訳サブワーキンググループ 活動報告 / 20250114-OIDF-J-EduWG-TranslationSWG
oidfj
0
360
30分でわかるデータ分析者のためのディメンショナルモデリング #datatechjp / 20250120
kazaneya
PRO
18
4.3k
WantedlyでのKotlin Multiplatformの導入と課題 / Kotlin Multiplatform Implementation and Challenges at Wantedly
kubode
0
220
Accessibility Inspectorを活用した アプリのアクセシビリティ向上方法
hinakko
0
160
CDKのコードレビューを楽にするパッケージcdk-mentorを作ってみた/cdk-mentor
tomoki10
0
130
エンジニアリングマネージャー視点での、自律的なスケーリングを実現するFASTという選択肢 / RSGT2025
yoshikiiida
4
3.3k

Featured

See All Featured
Agile that works and the tools we love
rasmusluckow
328
21k
Building a Scalable Design System with Sketch
lauravandoore
460
33k
A Modern Web Designer's Workflow
chriscoyier
693
190k
Optimising Largest Contentful Paint
csswizardry
33
3k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
226
22k
YesSQL, Process and Tooling at Scale
rocio
170
14k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
2
160
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
What's in a price? How to price your products and services
michaelherold
244
12k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
49
2.2k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
656
59k
Art, The Web, and Tiny UX
lynnandtonic
298
20k

Transcript

  1. @gregheo ! NSBudapest, May 2018 Shared
 Exclusive
 Mutable
 Immutable

  2. @gregheo ! NSBudapest, May 2018 Data "

  3. @gregheo ! NSBudapest, May 2018 Code Example #

  4. @gregheo ! NSBudapest, May 2018 Exclusive Shared Immutable Mutable

  5. @gregheo ! NSBudapest, May 2018 Exclusive Shared Immutable Mutable

  6. @gregheo ! NSBudapest, May 2018 Exclusive Shared Immutable private let

    Screen size / scale Mutable private var
 private queue $

  7. @gregheo ! NSBudapest, May 2018 Fewer entry points

  8. @gregheo ! NSBudapest, May 2018 Private queues

  9. @gregheo ! NSBudapest, May 2018 Queue Callback

  10. @gregheo ! NSBudapest, May 2018 
 // call from anywhere!


    public func something() {
 privateQueue.sync { … } }


  11. @gregheo ! NSBudapest, May 2018 
 // always call on

    the main queue!
 public func something() 


  12. @gregheo ! NSBudapest, May 2018 
 // always call on

    the main queue!
 public func something() {
 dispatchPrecondition(condition: .onQueue(.main))
 }


  13. @gregheo ! NSBudapest, May 2018 Make it difficult
 to get

    wrong

  14. @gregheo ! NSBudapest, May 2018 köszönöm! ☺