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
だったら、俺が代わりにやってやる / Swift Zoomin' Challenge
Search
Hiron
May 16, 2020
Programming
0
220
だったら、俺が代わりにやってやる / Swift Zoomin' Challenge
Swift Zoomin' の Fat View Controllerを倒せ! 報告会の発表スライドです。
Hiron
May 16, 2020
Tweet
Share
More Decks by Hiron
See All by Hiron
カンファレンス動画鑑賞会のススメ / Osaka.swift #1
hironytic
0
310
try! Swift Tokyo 2024 参加報告 / try! Swift Tokyo 2024 Report
hironytic
0
490
Swift on Windows ファーストインプレッション / Swift on Windows First Impression
hironytic
0
680
iPadOSDC: Multiple Windows
hironytic
5
3.3k
SwiftのNeverとボトム型 / Never as a Bottom Type
hironytic
2
880
4000のワーニングと戦え!これは警告だ! / 4000 Warnings
hironytic
2
860
シンボリケート / Ore-con 2018 Summer
hironytic
3
1.2k
全部iOSにしゃべらせちゃえ! / iOSDC 2018 LT
hironytic
3
1.8k
ペダルのある生活 / The Pedal
hironytic
0
480
Other Decks in Programming
See All in Programming
iOSエンジニア向けの英語学習アプリを作る!
yukawashouhei
0
200
AI Agent 時代的開發者生存指南
eddie
3
1.9k
Writing Better Go: Lessons from 10 Code Reviews
konradreiche
0
2.3k
Leading Effective Engineering Teams in the AI Era
addyosmani
7
500
The Past, Present, and Future of Enterprise Java
ivargrimstad
0
470
Web フロントエンドエンジニアに開かれる AI Agent プロダクト開発 - Vercel AI SDK を観察して AI Agent と仲良くなろう! #FEC余熱NIGHT
izumin5210
3
580
Catch Up: Go Style Guide Update
andpad
0
230
Introduce Hono CLI
yusukebe
6
2.9k
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job
hollycummins
0
240
フロントエンド開発のためのブラウザ組み込みAI入門
masashi
6
3.2k
品質ワークショップをやってみた
nealle
0
570
詳しくない分野でのVibe Codingで困ったことと学び/vibe-coding-in-unfamiliar-area
shibayu36
3
5.2k
Featured
See All Featured
A designer walks into a library…
pauljervisheath
209
24k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
132
19k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
285
14k
The Invisible Side of Design
smashingmag
302
51k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
48
9.7k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
190
55k
For a Future-Friendly Web
brad_frost
180
10k
Principles of Awesome APIs and How to Build Them.
keavy
127
17k
Unsuck your backbone
ammeep
671
58k
Building Adaptive Systems
keathley
44
2.8k
Why You Should Never Use an ORM
jnunemaker
PRO
59
9.6k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
140
34k
Transcript
ͩͬͨΒɺԶ͕ ΘΓʹͬͯΔʂ 4XJGU;PPNJOνϟϨϯδʙ'BU7JFX$POUSPMMFSΛͤʂʙ ใࠂձ
"CPVU.F w ͻΖΜʢҰٶߒڭʣ w 5XJUUFS(JU)VC2JJUB 4MJEF4IBSF4QFBLFS%FDL ˠIJSPOZUJD w ಙౡࡏॅ w
ීஈ'BU7JFX$POUSPMMFS ͱઓΘͣʹɺͲ͏͖߹ͬ ͍͔ͯ͘Λߟ͍͑ͯ·͢
Ͱ͖͕͋ͬͨͷ w IUUQTHJUIVCDPNIJSPOZUJDSFWFSTJJPT w ΞʔΩςΫνϟύλʔϯɿ .77. 3FEVY w ༻ϑϨʔϜϫʔΫɿ 6*,JUɺ$PNCJOF
ϦϑΝΫλϦϯάΛ ͲͷΑ͏ʹਐΊ͍͔ͯͬͨ
νϟϨϯδ ͷࣗͷϝϞ w σΟεΫຕΧϯτcountDisks(of:) w σΟεΫຕͷଟ͍ํΛฦ͢sideWithMoreDisks() w σΟεΫΛஔ͚Δ͔Ͳ͏͔ௐΔcanPlaceDisk(_:atX:y:)
w σΟεΫΛஔ͚ΔॴΛฦ͢validMoves(for:) w σΟεΫΛஔ͘placeDisk(_:atX:y:animated:completion:)
νϟϨϯδʙཌ #PBSE7JFX 7JFX $POUSPMMFS ˣ͜ͷ࣌ͷϘʔυ #PBSE ϓϩτίϧ ʢ˞ҙຯͳ͔ͬͨʣ 3FWFSTJ -PHJDT
FYUFOTJPO ˞placeDisk()Ξχϝʔ γϣϯͷΩϟϯηϧॲཧΛ ViewController͕͍࣋ͬͯ ͨΓͯ͠ɺ͍ͼͭͳঢ়ଶ IUUQTHJUIVCDPNIJSPOZUJDSFWFSTJJPTQVMM
ಘΒΕͨͷ w ʮͳΜ͔ͬͨͬͨʯͱ͍͏ຬײ
Ϧόʔγ൫ΛϞσϧͱϏϡʔʹ ͷࣗͷϝϞ BoardView ͍࣋ͬͯΔػೳ 3FWFSTJ-PHJDT ͷػೳ struct CellChange: Hashable {
var x: Int var y: Int var disk: Disk? } struct Board { ... mutating func placeDisk(_ disk: Disk, atX x: Int, y: Int) throws -> [CellChange] { ... } } IUUQTHJUIVCDPNIJSPOZUJDSFWFSTJJPTQVMM
ಘΒΕͨͷ w Ϙʔυͷঢ়ଶͱը໘ΛΓͤͨ w Ϧόʔγͷϧʔϧʹجͮ͘มߋ͔͠ߦ͑ͳ͍҆શ ੑʢྫ͑ͻͬ͘ΓฦΒͳ͍ͱ͜ΖʹσΟεΫΛ ஔ͘͜ͱͰ͖ͳ͍ʣ w 3FWFSTJ-PHJDTͷςετίʔυ
ήʔϜਐߦΛ͍͕ͨ͠ʜ w ͳΜͱͳ͘.77. w ϘʔυҎ֎ͷ6*ͷଘࡏ ΛΕ͍ͯΔ w ਐߦͷྲྀΕ͕ཧͰ͖ͯ ͍ͳ͍ w
ΞχϝʔγϣϯΞϥʔ τ7JFXͷͱߟ ͍͑ͯΔ ͷࣗͷϝϞ
ήʔϜਐߦͷྲྀΕΛཧ ͷࣗͷϝϞ
ը໘ 7JFX ͷೖग़ྗཧ ͷࣗͷϝϞ
ήʔϜͷہ໘͕ঢ়ଶભҠ͢Δͱߟ͑ͨ ͷࣗͷϝϞ
ঢ়ଶભҠͱ͍͑ʜ3FEVY ͷࣗͷϝϞ .PEFM 7JFX 7JFX.PEFM 3FEVY
Ϟσϧͷ෦Λ3FEVY෩ʹ࣮ w ΊͬͪΌࢼߦࡨޡͨ͠ 3FEVYࣝͱ͍͚ͯͬͯͨͩͩͬͨ͠ʢ'MVYܦݧ͋Γʣ
ϑΣʔζͱ͍͏ಠࣗ֓೦ public protocol Reducer { /// ΞΫγϣϯʹԠͯ͡ঢ়ଶΛมߋ͠·͢ɻ /// - Parameters:
/// - state: มߋલͷঢ়ଶͰ͢ɻ /// - action: ঢ়ଶมߋΛཁٻ͢ΔΞΫγϣϯͰ͢ɻ /// - Returns: มߋޙͷঢ়ଶΛฦ͠·͢ɻ static func reduce(state: State, action: Action) -> State } public protocol Phase: Reducer, Hashable, CustomStringConvertible { /// ϑΣʔζछผͰ͢ɻ var kind: PhaseKind { get } /// ผͷϑΣʔζ͔Β͜ͷϑΣʔζʹભҠ͢Δͱ͖ʹݺΕ·͢ɻ /// ඞཁʹԠͯ͡αϯΫΛฦ͢͜ͱ͕Ͱ͖·͢ɻ /// - Parameters: /// - previousPhase: ҎલͷϑΣʔζ͕͞Ε·͢ɻ static func onEnter(previousPhase: AnyPhase) -> Thunk? /// ͜ͷϑΣʔζ͔ΒผͷϑΣʔζʹભҠ͢Δͱ͖ʹݺΕ·͢ɻ /// ඞཁʹԠͯ͡αϯΫΛฦ͢͜ͱ͕Ͱ͖·͢ɻ /// - Parameters: /// - state: ݱࡏͷঢ়ଶͰ͢ɻ /// - nextPhase: ࣍ͷϑΣʔζ͕͞Ε·͢ɻ static func onExit(nextPhase: AnyPhase) -> Thunk? } ͷࣗͷϝϞ
Ϟσϧͷ෦Λ3FEVY෩ʹ࣮ w ΊͬͪΌࢼߦࡨޡͨ͠ 3FEVYࣝͱ͍͚ͯͬͯͨͩͩͬͨ͠ʢ'MVYܦݧ͋Γʣ w ຊՈ3FEVYͷαΠτͱɺؔ࿈ٕज़Λݟͨ͠Γ ‣ IUUQTSFEVYKTPSH ‣
IUUQTHJUIVCDPNSFEVYKTSFEVYUIVOL ‣ IUUQTHJUIVCDPNSFEVYMPPQSFEVYMPPQ w ΊͬͪΌษڧʹͳΓ·ͨ͠ɹʜ͕͋·Γग़དྷʹࣗ৴ͳ͍
Ϟσϧͷ෦ͷ࣮͕ͻͱͱ͓ΓऴΘΓʜ ΄Μͷগ͠ςετίʔυΛॻ͍ͯಈ࡞Λ֬ೝ Γͷςετ͍ͬͨΜอཹͯ͠ɺ7JFX.PEFMͷ࣮ʹ IUUQTHJUIVCDPNIJSPOZUJDSFWFSTJJPTQVMM
7JFX.PEFMΛ࣮ɺͦͯ͠ʜ 7JFX$POUSPMMFSͱଓ IUUQTHJUIVCDPNIJSPOZUJDSFWFSTJJPTQVMM
࣮ࡍʹಈ͔ͤͯ༡Δ
ಾػೳͷര w ஔ͚ͳ͍ͱ͜Ζʹஔ͜͏ͱ͢Δͱ w ίϯϐϡʔλʔ͕উखʹߟ͑ͯஔ͍ ͯ͘ΕΔ w ʮͩͬͨΒɺ ɹԶ͕ΘΓʹͬͯΔʂʯػೳ ʢ˞όάʣ
ϞσϧͷςετΛॆ࣮ͤ͞Δ w ঢ়ଶભҠਤΛॻ ͖ͳ͓ͨ͠ w ͜ΕΛݟͳ͕Β ςετέʔεΛ ࡞ͬͨ ʙͷࣗͷϝϞ
ʮͩͬͨΒɺԶ͕ΘΓʹͬͯΔʯػೳ
.PEFMͱ7JFX.PEFMͱͷࠩ w .PEFMʹ7JFXͷߏΛҙࣝͨ͠4UBUF͍࣋ͨͤͯͳ ͍ʢྫɿλʔϯදࣔউഊදࣔʹ %JTL7JFXΛ͏ͳͲʣ w 7JFX.PEFM7JFXͷߏΛڧ͘ҙࣝͯ͠ɺͳΔͦ͘ͷ ··όΠϯσΟϯάͰ͖ΔΑ͏ʹσʔλΛՃ w 7JFXͱ7JFX.PEFMΛ͚Δҙຯʁ
ˠςετ͕ॻ͚Δ 7JFX.PEFMͷςετΛॻ͍͍ͯͳ͔ͬͨ
ָ͍͠(8Λ ա͢͜͝ͱ͕Ͱ͖·ͨ͠
͝ਗ਼ௌ͋Γ͕ͱ͏͟͝·ͨ͠