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
ざっくりわかるSwift
Search
Shigure Shimotori
July 19, 2017
Programming
0
680
ざっくりわかるSwift
https://connpass.com/event/60103/
#TokyoTechLT
Shigure Shimotori
July 19, 2017
Tweet
Share
More Decks by Shigure Shimotori
See All by Shigure Shimotori
Synchronizationを支える技術
s_shimotori
1
220
1人で挑むSwiftコンパイラ 〜型システム入門編〜
s_shimotori
0
790
英語
s_shimotori
1
710
Parallel Socket Communication in Swift
s_shimotori
1
750
UIColor Anatomy
s_shimotori
1
2.4k
UIColor Cluster
s_shimotori
1
740
iOSDC Japan 2019 60 mins for color
s_shimotori
5
3.8k
wwdc19
s_shimotori
2
370
SE-0246 Generic Math(s) Functions
s_shimotori
2
2.5k
Other Decks in Programming
See All in Programming
requirements with math
moony
0
520
PHPer's Guide to Daemon Crafting Taming and Summoning
uzulla
2
1.1k
List とは何か? / PHPerKaigi 2025
meihei3
0
560
Django for Data Science (Boston Python Meetup, March 2025)
wsvincent
0
240
2025/3/18 サービスの成長で生じる幅広いパフォーマンスの問題を、 AIで手軽に解決する
shirahama_x
0
160
MCP世界への招待: AIエンジニアが創る次世代エージェント連携の世界
gunta
2
590
보일러플레이트 코드가 진짜 나쁜 건가요?
gaeun5744
0
370
複数ドメインに散らばってしまった画像…! 運用中のPHPアプリに後からCDNを導入する…!
suguruooki
0
430
ニックトレイン登壇資料
ryotakurokawa
0
140
20250326_生成AIによる_レビュー承認システムの実現.pdf
takahiromatsui
17
5.6k
PHPによる"非"構造化プログラミング入門 -本当に熱いスパゲティコードを求めて- #phperkaigi
o0h
PRO
0
1.1k
英語文法から学ぶ、クリーンな設計の秘訣
newnomad
1
270
Featured
See All Featured
The Power of CSS Pseudo Elements
geoffreycrofte
75
5.7k
Rails Girls Zürich Keynote
gr2m
94
13k
Building a Modern Day E-commerce SEO Strategy
aleyda
39
7.2k
The Cult of Friendly URLs
andyhume
78
6.3k
Git: the NoSQL Database
bkeepers
PRO
429
65k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
Optimizing for Happiness
mojombo
377
70k
The World Runs on Bad Software
bkeepers
PRO
67
11k
Why Our Code Smells
bkeepers
PRO
336
57k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.2k
Stop Working from a Prison Cell
hatefulcrawdad
268
20k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
231
53k
Transcript
ͬ͘͟ΓΘ͔ΔSwift TokyoTech LT #2 @S_Shimotori
୭ʁ • @S_Shimotori (@S_Shimotori_pub) • ऑΤֶܥM2 • DroidKaigiӡӦελοϑ • SwiftPythonΛॻ͍͓ͯۚΛ͏͓ࣄ
DroidKaigi2018 ։࠵ܾఆʂ 20182݄8-9@ϕϧαʔϧ৽॓άϥϯυ https://droidkaigi.github.io/2018/
AndroidͱiOSͷڥͷҧ͍ • Android • ॳճ͚ͩొྉΛ͑OK • ຊAndroidͷձ͕͋Δɺֶੜ෦͋Δ • ࠓKotlin͕͍ʂ •
iOS • ຖ͓ࢪ͕ඞཁ • ͦΜͳձ͚͋ͬͨͬ • ·ͨSwift4ʹॻ͖͑Δ࡞ۀ͕͡·Δ͓…
ϞόΠϧͷҎ্ʂ
ຊ
͓ॻ͖ • Swiftͷจ๏ͷ֓ཁ • Swift͕͑Δॴ • CϥΠϒϥϦͷݺͼग़͠ • Swiftʹ͍ͭͯͬͱΓ͍ͨͱ͖
͓ॻ͖ • Swiftͷจ๏ͷ֓ཁ • Swift͕͑Δॴ • CϥΠϒϥϦͷݺͼग़͠ • Swiftʹ͍ͭͯͬͱΓ͍ͨͱ͖
Swiftͷจ๏ͷ֓ཁ
ཁ͢Δͱ͜Μͳ͔Μ͡ʂ • ϓϩτίϧࢦ / ΦϒδΣΫτࢦ / ؔܕ / ໋ྩܕ /
ϒϩοΫߏ • ڧ͍੩తܕ͚ / ܕਪ • Objective-C͔ΒͷӨڹ͋Γ • Swift4Ӷҙ࡞த • ܕ҆શnull҆શɻૉΒ͍͠ɻ • LLVMͱ͔ͳΜͱ͔ https://en.wikipedia.org/wiki/Swift_(programming_language)
ϓϩτίϧࢦʁ
Swiftyʹॻ্͘ͰѲ͓͖͍ͯͨ͜͠ͱ • SwiftʹclassͷଞʹstructɺenumɺprotocolΛ࣋ͭ • protocol”ಛఆͷॲཧͷͨΊͷϝιουͷઃܭਤ” • JavaͰ͍͏ͱ͜Ζͷinterface • ͭ·ΓΘͳͯ͘ಈ͔ͳ͍͜ͱͳ͍ •
Swift3ඪ४ϥΠϒϥϦͷ201γϯϘϧͷ͏ͪɺ struct140ݸɺenum12ݸɺprotocol48ݸɺ classͳΜͱ1ݸʂ
Java Comparable<T>ͱSwift Comparable • Java Comparable<T> • Swift Comparable μΠϚ
http://qiita.com/S_Shimotori/items/83e22d83f5c0096a6d5b http://hg.openjdk.java.net/jdk8/jdk8/jdk/file/687fd7c7986d/src/share/classes/java/lang/Comparable.java https://github.com/apple/swift/blob/c15c671372620b543e19a662218a247f601628e4/stdlib/public/core/Comparable.swift ※ ࣮ࡍEquatableͷ “=” ͱComparableͷ ”<“ Λ࣮͢ΕΓΔ
OptionalͱCommandLine • Optionalenum Optional<Wrapped> • .some(Wrapped)ͱ.noneΛྻڍ • Nullableͷਖ਼ମ • enum
CommandLineྻڍͯ͠ͳ͍ • ྻڍܕ͕ࣗΠχγϟϥΠζ͞Εͳ͍ಛੑΛར༻ https://github.com/apple/swift/blob/master/stdlib/public/core/CommandLine.swift https://github.com/apple/swift/blob/master/stdlib/public/core/Optional.swift Optional<String>ͷҥߏจ
ͪͳΈʹ: ԋࢉࢠΛఆٛ͢Δ • SwiftࣗͰԋࢉࢠΛఆٛ͢Δ͜ͱ͕Մೳ • ओʹؔܕ͍ͨ͠ਓ͕࡞Δ “>=“ • ͑Δه߸ແͦ͏ͳͭ •
/ = - + ! * % < > & | ^ ~ ?ͱ͔ଞ͍Ζ͍Ζ • ͑ʁ$͕ͩΊͳͷʹὺ͕͑Δͷʁʁ
ܕਪ͋ΔΜͩͶ͐ ͍͍ͪͪܕΛॻ͔ͳ͍͍ͯ͘Ͷʂ
SwiftͰܕਪͱ͍ͬͨΒ…… • ʮίϯύΠϧ࣌ؒͷେ͕ܕਪ͡ΌΜwʯ • ʮਪʹ͔͔͔࣌ؒͬͨΒίϯύΠϧఘΊ·ͨ͠Τϥʔʯ • ղܾࡦ: • ৽͍͠όʔδϣϯͷSwift(ͱXcode9)Λ͏ •
એݴ࣌ʹͪΌΜͱܕΛॻ͘ • ؔܕͳΜͯͳ͔ͬͨɻ͍͍Ͷʁ
ΤϥʔදݱͲ͏ͳͬͯΜͷʁ
Swiftʹ͓͚ΔΤϥʔදݱ • جຊతʹNonNullɺthrowͳ͠ • ޭ/ࣦഊͷ2ΓNullableͰදݱ • Optional.some(Wrapped)ͰแΜͰฦ͢ • Լॲཧ͠ͳ͍ͱแΜͩத͑ͳ͍ʂ •
ΑΓৄࡉͳΤϥʔදݱΛ͢ΔͳΒErrorΛ͛Δ • Τϥʔ͕ى͖ͳ͍͜ͱ͕໌Β͔ͳΒ”!”Ͱ௵͢
͓ॻ͖ • Swiftͷจ๏ͷ֓ཁ • Swift͕͑Δॴ • CϥΠϒϥϦͷݺͼग़͠ • Swiftʹ͍ͭͯͬͱΓ͍ͨͱ͖
Swift͕͑Δॴ
͋ʔ͍͍iOSͶ ڵຯͳ͍ΜͰ✋
DarwinҎ֎Ͱ͑Δ͔Βʂ ͕͢͞ʹ2.2ݹ͍͕
LinuxͰSwift • swift.orgͷUbuntu༻όΠφϦ͔dockerΛ͏ͷָ͕ • Կ͔࡞Δ࣌Swift Package ManagerΛ͏ͱྑ͍ • ґଘؔղܾͨ͠Γςετͨ͠Γ͢Δ •
ίϚϯυϥΠϯπʔϧ͕࡞ΕΔ • WebϑϨʔϜϫʔΫͰWebΞϓϦ͕࡞ΕΔ • Perfectͱ͔Vaporͱ͔ͦͷΜ
ͱ͜ΖͰ
Swift͕Ͱ͖Δ͜ͱɺ୯ͰͰ͖ͳ͍͜ͱ • Swiftଂͷඪ४ϥΠϒϥϦ͕Ͱ͖Δ͜ͱ • هड़ʹඞཁͳػೳͷجຊ • Stringͱ͔printͱ͔ͦ͏͍͏ͷ • “import Foundation”ͰͰ͖Δ͜ͱ
• ΞϓϦͷجຊతͳػೳʹؔΘΔૢ࡞ • ϑΝΠϧͱ͔ηογϣϯͱ͔ͦ͏͍͏ͷ • Darwin༻FoundationͱLinux༻Foundationผ (༁)
swift-corelibs-foundationਐḿঢ়گ(7݄17ݱࡏ) https://github.com/apple/swift-corelibs-foundation/blob/master/Docs/Status.md “Unimplemented”
͓ॻ͖ • Swiftͷจ๏ͷ֓ཁ • Swift͕͑Δॴ • CϥΠϒϥϦͷݺͼग़͠ • Swiftʹ͍ͭͯͬͱΓ͍ͨͱ͖
CϥΠϒϥϦͷݺͼग़͠ (SPMͰͷ) iOS/macOSͬͱ͔ΜͨΜɻ
SPMͰCϥΠϒϥϦΛ͏ • ޙൃݴޠΒ͘͠ͲΜͲΜઌഐͷҨ࢈Λ͍ͬͯ͘ • Foundation͕ΞϨͳͷͰ͍ݹ͞ΕͨϥΠϒϥϦͷ ํ͕҆৺ • SPMͰϥοϓ͠ɺ1ͭͷύοέʔδͱͯ͠ѻ͏ • ґଘϦετʹSwiftͷͷCͷͷҰॹʹฒͿ
• ໊લΛCHogeͱ͢Δ׳ྫ͕͋Δ • cURLͳΒCCurlͱ͔
͕ൃੜ͢ΔΓํ ΅͘ͷߟ͍͖͑ͨ͞ΐ͏ͷ41.ύοέʔδ ύοέʔδ" ύοέʔδ# ύοέʔδ$ *#.4XJGU $$VSM 44IJNPUPSJ $$VSM D63-
·Ί͖ͪ͠: IBM͕ΜͬͯSwiftͯ͠Δɻ͍͍ͻͱɻ ໊લিಥ (ґଘݩˠґଘઌ)
͓ॻ͖ • Swiftͷจ๏ͷ֓ཁ • Swift͕͑Δॴ • CϥΠϒϥϦͷݺͼग़͠ • Swiftʹ͍ͭͯͬͱΓ͍ͨͱ͖
Swiftʹ͍ͭͯ ͬͱΓ͍ͨͱ͖
ͱΓ͋͑ͣॻ͖ͳ͕ΒͬͯΈ͍ͨʂ • ԦಓXcodeͰߦ͖͍ͨਓ • Xcode8ʹϦϑΝΫλϦϯάػೳ͕ͳ͍(স) • playgroundsͰؾܰʹॻ͚Δɺͨͷ͍͠ • JetBrainsڭͷਓ •
iOSͱҰॹʹΔͳΒAppCodeɺpure SwiftͳΒCLion • Vimmer • ͪΌΜͱߋ৽͕͍͍ͭͯΔͷͳ͍Μ͡Ό… • Emacser • ͪΌΜͱߋ৽͞ΕͯΔɺͣΔ͍
͋ͱ͜ͷลಡΜͰ͓͘ͱ͍͍Αɻ • https://developer.apple.com/library/content/documentation/Swift/ Conceptual/Swift_Programming_Language/ • https://developer.apple.com/documentation/swift • https://swift.org/
·ͱΊ
Swiftͷ͕͍͜͜͢͝ʂ • ڧ͍੩తܕ͚ͰprotocolͰenumͰ͍͢͝ʂ • αʔόίϚϯυϥΠϯπʔϧ࡞ΕΔʂ • ͦΕPythonͰΑ͘ͳ͍ʁ • ಈతܕ͚அͯ͡Noɺઈରʹڐ͞ͳ͍ •
ͦΕGo • ͦͷՄೳੑ͋Δ • ͦΕKotlin • ૉͰAWSLambda͍͚ΔΜͩΜͳʔͣΔ͍Αͳʔ