Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Swift weekly 2018/09/04
Search
Johnlin
September 04, 2018
Programming
0
71
Swift weekly 2018/09/04
Johnlin
September 04, 2018
Tweet
Share
More Decks by Johnlin
See All by Johnlin
用 MLIR 實作 一個 Ruby IR (intermediate representation)
johnlinvc
0
130
Unearth Ruby builtin Gems 發掘 Ruby 的內建 Gems
johnlinvc
0
260
Ruby 型別檢查工具簡介
johnlinvc
0
470
Swift Actor 實作探索
johnlinvc
0
160
用 mruby 來寫跨平台工具
johnlinvc
0
77
Actor model 簡介
johnlinvc
0
190
一起玩 Helm 3
johnlinvc
1
120
為什麼 App 卡卡的
johnlinvc
2
1.2k
如何使用 byebug 來除錯 Ruby 程式
johnlinvc
0
200
Other Decks in Programming
See All in Programming
GPUを計算資源として使おう!
primenumber
1
290
AI Agent 時代のソフトウェア開発を支える AWS Cloud Development Kit (CDK)
konokenj
6
980
「テストは愚直&&網羅的に書くほどよい」という誤解 / Test Smarter, Not Harder
munetoshi
1
220
Quality Gates in the Age of Agentic Coding
helmedeiros
PRO
1
100
Advanced Micro Frontends: Multi Version/ Framework Scenarios @WAD 2025, Berlin
manfredsteyer
PRO
0
440
MCPを使ってイベントソーシングのAIコーディングを効率化する / Streamlining Event Sourcing AI Coding with MCP
tomohisa
0
180
NEWT Backend Evolution
xpromx
1
150
SwiftでMCPサーバーを作ろう!
giginet
PRO
2
190
20250708_JAWS_opscdk
takuyay0ne
2
150
可変変数との向き合い方 $$変数名が踊り出す$$ / php conference Variable variables
gunji
0
230
Workers を定期実行する方法は一つじゃない
rokuosan
0
130
リッチエディターを安全に開発・運用するために
unachang113
1
240
Featured
See All Featured
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
How to Think Like a Performance Engineer
csswizardry
25
1.8k
Why Our Code Smells
bkeepers
PRO
337
57k
Building an army of robots
kneath
306
45k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
45
7.5k
What’s in a name? Adding method to the madness
productmarketing
PRO
23
3.6k
Designing for humans not robots
tammielis
253
25k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
Art, The Web, and Tiny UX
lynnandtonic
301
21k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
35
2.5k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
331
22k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
33
2.4k
Transcript
Swift पใ 2018/09/04 John Lin @johnlinvc
From the core • Swift 5: Start your engines
Swift 5: Start your engines • Release date: Late 2018
• ඪ: ABI stability (again) ɼแؚ generic, API resilience, memory ownership model • ။Լ૬༰ 4
Evolution • [SE-0220] count(where:) • [SE-0224] Support 'less than' operator
in compilation conditions • [SE-0225] isEven, isOdd, isMultiple • [SE-0226] Package Manager Target Based Dependency Resolution
[SE-0220] count(where:) • ཁዎᒬᏐ [1,2,3,4,5,6,7] ཫ໘༗ଟগۮᏐ䏆ʁ [1,2,3,4,5,6,7].filter { $0 %
2 == 0 }.count • Ṝᒬతሜ๏ଖመ䋯తൺֱຫɼfilter ။ઌ䋯Ұ࣍ ᅲɼ count ။࠶䋯Ұ࣍
[SE-0220] count(where:) [1,2,3,4,5,6,7].reduce(0) { $0 + ($1 % 2 ==
0 ? 1 : 0) } • Ṝᒬతሜ๏䋯తൺֱշɼୠੋ䔟㣛ੋࡏ၏ॄኄɻ
[SE-0220] count(where:) var count = 0 for n in [1,2,3,4,5,6,7]
{ count += n % 2 == 0 ? 1 : 0 } • reduce Ұᒬշɼෆաɻ
[SE-0220] count(where:) [1,2,3,4,5,6,7].count{$0 % 2 == 0} • ৽⃧ Sequence#countɼ䋯ىိ
reduce Ұᒬշɼ ෆաൺֱ໌֬ɻ
[SE-0224] Support 'less than' operator in compilation conditions #if swift(>=5.0)
print("this is 5.0") #endif • ݱࡏՄҎ༻্໘తํ๏ိᏗ Swift ൛ຊ • ෆաೳ༻ >=ɼཁখԙೳ༻ ! ိᒾҰෆੋ >= #if !swift(>=5.0) print("this is not 5.0") #endif
[SE-0224] Support 'less than' operator in compilation conditions #if swift(<5.0)
print("this is not 5.0") #endif • ೭ޙՄҎ༻ < ိᏗ Swift ൛ຊ
[SE-0225] isEven, isOdd, isMultiple • ᧷ಘ㑌࣍ཁሜ n % 2 ==
0 䆩ʁ • େՈ᧷ಘ -3 % 2 ੋଟগ䏆ʁ
[SE-0225] isEven, isOdd, isMultiple • ༗ਓఏҊཁՃ n.isEven, n.isOdd, n.isMultiple(of:) •
࠷ޙ༗ n.isMultiple(of:) ௨աɼ။Ճ౸ Swift 5 ཫɻ • ֩৺ᅶୂ᧷ಘ isEven Ṝछ؆ᄸతେՈࣗݾሜबɻ رೳޠݴతද໘ੵେখ߇੍ɻ
[SE-0226] Package Manager Target Based Dependency Resolution • Ұݸ Package
ཫ໘ৗৗ༗ଟෆಉ target, 㑌ݸ target ༗֤ࣗత dependencyɻݱࡏ༻ྃҰݸ Package ब။ॴ༗త dependency ਐိɼ೭ ޙ။༗༻౸త targetɻ
ྛ [SE-0226] Package Manager Target Based Dependency Resolution ߳া ᘈᘈ
ᘆࢠ थ
ྛ [SE-0226] Package Manager Target Based Dependency Resolution ߳া ᘈᘈ
ᘆࢠ थ
Community • 㟬ঋڃ iOS beta ྃ䆩ʁ • 㟬ใ໊ iplayground ྃ䆩ʁ
iOS 12 beta upgrade •
iPlayground • https://iplayground.io 10/20()-21(ʣ • ݱਖ਼ᄧථɼ㐸ߘதɻ