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
72
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
140
Unearth Ruby builtin Gems 發掘 Ruby 的內建 Gems
johnlinvc
0
270
Ruby 型別檢查工具簡介
johnlinvc
0
480
Swift Actor 實作探索
johnlinvc
0
160
用 mruby 來寫跨平台工具
johnlinvc
0
79
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
210
Other Decks in Programming
See All in Programming
Understanding Ruby Grammar Through Conflicts
yui_knk
1
120
『リコリス・リコイル』に学ぶ!! 〜キャリア戦略における計画的偶発性理論と変わる勇気の重要性〜
wanko_it
1
570
React 使いじゃなくても知っておきたい教養としての React
oukayuka
18
5.8k
The state patternの実践 個人開発で培ったpractice集
miyanokomiya
0
140
DockerからECSへ 〜 AWSの海に出る前に知っておきたいこと 〜
ota1022
5
1.7k
レガシープロジェクトで最大限AIの恩恵を受けられるようClaude Codeを利用する
tk1351
2
450
Google I/O recap web編 大分Web祭り2025
kponda
0
2.9k
Go製CLIツールをnpmで配布するには
syumai
2
1.2k
Claude Code と OpenAI o3 で メタデータ情報を作る
laket
0
130
kiroでゲームを作ってみた
iriikeita
0
180
新世界の理解
koriym
0
140
JetBrainsのAI機能の紹介 #jjug
yusuke
0
210
Featured
See All Featured
Why Our Code Smells
bkeepers
PRO
338
57k
RailsConf 2023
tenderlove
30
1.2k
Site-Speed That Sticks
csswizardry
10
780
A designer walks into a library…
pauljervisheath
207
24k
The Art of Programming - Codeland 2020
erikaheidi
54
13k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.8k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
Statistics for Hackers
jakevdp
799
220k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
7
820
Building a Scalable Design System with Sketch
lauravandoore
462
33k
Gamification - CAS2011
davidbonilla
81
5.4k
How to Think Like a Performance Engineer
csswizardry
25
1.8k
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