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
670
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
200
1人で挑むSwiftコンパイラ 〜型システム入門編〜
s_shimotori
0
740
英語
s_shimotori
1
660
Parallel Socket Communication in Swift
s_shimotori
1
730
UIColor Anatomy
s_shimotori
1
2.4k
UIColor Cluster
s_shimotori
1
730
iOSDC Japan 2019 60 mins for color
s_shimotori
5
3.8k
wwdc19
s_shimotori
2
360
SE-0246 Generic Math(s) Functions
s_shimotori
2
2.5k
Other Decks in Programming
See All in Programming
もう僕は OpenAPI を書きたくない
sgash708
6
1.9k
2025.2.14_Developers Summit 2025_登壇資料
0101unite
0
210
負債になりにくいCSSをデザイナとつくるには?
fsubal
10
2.6k
sappoRo.R #12 初心者セッション
kosugitti
0
280
Better Code Design in PHP
afilina
0
180
ML.NETで始める機械学習
ymd65536
0
230
XStateを用いた堅牢なReact Components設計~複雑なClient Stateをシンプルに~ @React Tokyo ミートアップ #2
kfurusho
1
990
LINE messaging APIを使ってGoogleカレンダーと連携した予約ツールを作ってみた
takumakoike
0
120
なぜイベント駆動が必要なのか - CQRS/ESで解く複雑系システムの課題 -
j5ik2o
14
4.7k
データベースのオペレーターであるCloudNativePGがStatefulSetを使わない理由に迫る
nnaka2992
0
240
パスキーのすべて ── 導入・UX設計・実装の紹介 / 20250213 パスキー開発者の集い
kuralab
3
910
Honoのおもしろいミドルウェアをみてみよう
yusukebe
1
230
Featured
See All Featured
Build your cross-platform service in a week with App Engine
jlugia
229
18k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
280
13k
The Language of Interfaces
destraynor
156
24k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
27
1.9k
Making Projects Easy
brettharned
116
6k
Build The Right Thing And Hit Your Dates
maggiecrowley
34
2.5k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
129
19k
Optimising Largest Contentful Paint
csswizardry
34
3.1k
Fontdeck: Realign not Redesign
paulrobertlloyd
83
5.4k
Designing on Purpose - Digital PM Summit 2013
jponch
117
7.1k
BBQ
matthewcrist
87
9.5k
Music & Morning Musume
bryan
46
6.4k
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