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
74
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
160
Unearth Ruby builtin Gems 發掘 Ruby 的內建 Gems
johnlinvc
0
280
Ruby 型別檢查工具簡介
johnlinvc
0
500
Swift Actor 實作探索
johnlinvc
0
160
用 mruby 來寫跨平台工具
johnlinvc
0
84
Actor model 簡介
johnlinvc
0
200
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
220
Other Decks in Programming
See All in Programming
The Past, Present, and Future of Enterprise Java
ivargrimstad
0
550
コード生成なしでモック処理を実現!ovechkin-dm/mockioで学ぶメタプログラミング
qualiarts
0
240
CSC305 Lecture 08
javiergs
PRO
0
270
Claude CodeによるAI駆動開発の実践 〜そこから見えてきたこれからのプログラミング〜
iriikeita
0
320
PHPに関数型の魂を宿す〜PHP 8.5 で実現する堅牢なコードとは〜 #phpcon_hiroshima / phpcon-hiroshima-2025
shogogg
1
320
The Past, Present, and Future of Enterprise Java
ivargrimstad
0
390
Go言語の特性を活かした公式MCP SDKの設計
hond0413
1
430
SODA - FACT BOOK(JP)
sodainc
1
8.6k
CSC509 Lecture 07
javiergs
PRO
0
240
Webサーバーサイド言語としてのRustについて
kouyuume
1
3.8k
他言語経験者が Golangci-lint を最初のコーディングメンターにした話 / How Golangci-lint Became My First Coding Mentor: A Story from a Polyglot Programmer
uma31
0
330
AkarengaLT vol.38
hashimoto_kei
1
110
Featured
See All Featured
The Art of Programming - Codeland 2020
erikaheidi
56
14k
Making the Leap to Tech Lead
cromwellryan
135
9.6k
Imperfection Machines: The Place of Print at Facebook
scottboms
269
13k
Scaling GitHub
holman
463
140k
4 Signs Your Business is Dying
shpigford
185
22k
Building Flexible Design Systems
yeseniaperezcruz
329
39k
Speed Design
sergeychernyshev
32
1.2k
Measuring & Analyzing Core Web Vitals
bluesmoon
9
630
Designing for humans not robots
tammielis
254
26k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
16
1.7k
Site-Speed That Sticks
csswizardry
13
920
Producing Creativity
orderedlist
PRO
347
40k
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