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

Introducing Swift 5's Property Wrappers

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for Erica Sadun Erica Sadun
February 03, 2020
Programming
0
3.5k

Introducing Swift 5's Property Wrappers

A brand new feature waiting for adoption

Avatar for Erica Sadun

Erica Sadun

February 03, 2020
Tweet

Other Decks in Programming

See All in Programming
「抽象に依存せよ」が分からなかった新卒1年目の私が Goのインターフェースと和解するまで
Avatar for Genki-Miyakawa kurogenki
0
120
encoding/json/v2のUnmarshalはこう変わった：内部実装で見る設計改善
Avatar for Hiroki Kurasawa kurakura0916
0
410
GC言語のWasm化とComponent Modelサポートの実践と課題 - Scalaの場合
Avatar for Rikito Taniguchi tanishiking
0
110
Agent Skills Workshop - AIへの頼み方を仕組み化する
Avatar for Gota gotalab555
15
8.8k
How to stabilize UI tests using XCTest
Avatar for Akio Itaya akkeylab
0
130
Claude Code の Skill で複雑な既存仕様をすっきり整理しよう
Avatar for yuichiro_takahashi yuichirokato
1
380
Go 1.26でのsliceのメモリアロケーション最適化 / Go 1.26 リリースパーティ #go126party
Avatar for mazrean mazrean
1
390
new(1.26) ← これすき / kamakura.go #8
Avatar for utagawa kiki utgwkk
0
2.3k
Fundamentals of Software Engineering In the Age of AI
Avatar for Dan Vega therealdanvega
1
250
文字コードの話
Avatar for Masaki Hara qnighy
44
17k
Agentic AI: Evolution oder Revolution
Avatar for Lars Roewekamp mobilelarson
PRO
0
170
RAGでハマりがちな"Excelの罠"を、データの構造化で突破する
Avatar for harumi harumiweb
9
2.8k

Featured

See All Featured
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
Avatar for Joe Casabona jcasabona
34
2.7k
The Hidden Cost of Media on the Web [PixelPalooza 2025]
Avatar for Tammy Everts tammyeverts
2
250
From π to Pie charts
Avatar for Rasagy Sharma rasagy
0
150
Test your architecture with Archunit
Avatar for Yoan thirion
1
2.2k
Reality Check: Gamification 10 Years Later
Avatar for Sebastian Deterding codingconduct
0
2k
Navigating the Design Leadership Dip - Product Design Week Design Leaders+ Conference 2024
Avatar for Andy Polaine apolaine
0
220
Hiding What from Whom? A Critical Review of the History of Programming languages for Music
Avatar for Tomoya Matsuura tomoyanonymous
2
550
The Cult of Friendly URLs
Avatar for Andy Hume andyhume
79
6.8k
The Web Performance Landscape in 2024 [PerfNow 2024]
Avatar for Tammy Everts tammyeverts
12
1.1k
What does AI have to do with Human Rights?
Avatar for Per Axbom axbom
PRO
1
2k
VelocityConf: Rendering Performance Case Studies
Avatar for Addy Osmani addyosmani
333
24k
Understanding Cognitive Biases in Performance Measurement
Avatar for Philip Tellis bluesmoon
32
2.8k

Transcript

  1. Property Wrappers erica sadun 1

  2. Language-like but not Language 2

  3. Language-like but not Language 3

  4. Operators 4

  5. 5

  6. 6

  7. Trailing closures 7

  8. None
  9. None

  10. SwiftUI 10

  11. None
  12. None
  13. None

  14. Property Wrappers: History 14

  15. Property Wrappers: History 15

  16. Property Wrappers: History 16

  17. None

  18. 18

  19. None

  20. My First Property Wrapper 20

  21. String Trimming 21

  22. 22

  23. None

  24. Mandate your behavior contracts at the point of declaration, not

    the point of use 24

  25. 25 Mandate your behavior contracts at the point of declaration,

    not the point of use
  26. None
  27. None
  28. None

  29. ‣ Simple ‣ Readable ‣ Positioned at the point of

    declaration ‣ Documention-friendly

  30. Uses ‣ Thread safety ‣ Barriers ‣ Syncing with stores

    / web services ‣ Validation on assignment ‣ Data configuration ‣ etc 30

  31. Property Wrappers: Tastes like core language. Less filling. Fewer calories.

    31

  32. Property Wrappers erica sadun 32