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
Context Receiversに思いを馳せる / Context Receivers
Search
uzzu
October 05, 2022
Technology
0
650
Context Receiversに思いを馳せる / Context Receivers
DroidKaigi2022 Dialogs - 2022/10/05 14:20-14:45
https://droidkaigi.jp/2022/timetable/363729
uzzu
October 05, 2022
Tweet
Share
More Decks by uzzu
See All by uzzu
StoreKitのこれまでとこれから / StoreKit 2 from 1
uzzu
5
14k
Autofill Framework
uzzu
0
110
アプリ内課金の最新事情 クライアントサイド編 / In-app Purchase in Cookpad 2019
uzzu
3
4.4k
Billing Client 2.0 acknowledgement
uzzu
0
16k
Promoting IAP対応から学ぶ外部アプリ内課金実装 / Promoting IAP and others
uzzu
2
1.4k
ブログ作り直した / My blog @ Othlo Tech
uzzu
0
140
新規アプリ開発を支えるユーザ・決済基盤
uzzu
2
2.7k
kotlin-mpp-library-tips
uzzu
1
6.3k
Coroutine Kyuin
uzzu
2
280
Other Decks in Technology
See All in Technology
Amazon Q Developer 他⽣成AIと⽐較してみた
takano0131
1
130
ひまプロプレゼンツ 「エンジニア格付けチェック 〜春の公開収録スペシャル〜」
kaaaichi
0
190
デザインシステムのレガシーコンポーネントを刷新した話/Design System Legacy Renewal
kaonavi
0
100
チームの性質によって変わる ADR との向き合い方と、生成 AI 時代のこれから / How to deal with ADR depends on the characteristics of the team
mh4gf
4
360
【5分でわかる】セーフィー エンジニア向け会社紹介
safie_recruit
0
20k
初めてのPostgreSQLメジャーバージョンアップ
kkato1
0
490
マルチアカウント管理で必須!AWS Organizationsの機能とユースケース解説
nrinetcom
PRO
1
110
Multitenant 23ai の全貌 - 機能・設計・実装・運用からマイクロサービスまで
oracle4engineer
PRO
2
140
Symfony in 2025: Scaling to 0
fabpot
2
260
開発現場とセキュリティ担当をつなぐ脅威モデリング
cloudace
0
120
”知のインストール”戦略:テキスト資産をAIの文脈理解に活かす
kworkdev
PRO
2
550
ソフトウェア開発現代史: なぜ日本のソフトウェア開発は「滝」なのか?製造業の成功体験とのギャップ #jassttokyo
takabow
2
1.8k
Featured
See All Featured
The Illustrated Children's Guide to Kubernetes
chrisshort
48
49k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
356
30k
Building a Modern Day E-commerce SEO Strategy
aleyda
39
7.2k
Building Adaptive Systems
keathley
41
2.5k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
Building Applications with DynamoDB
mza
94
6.3k
Six Lessons from altMBA
skipperchong
27
3.7k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
12
620
Documentation Writing (for coders)
carmenintech
69
4.7k
Agile that works and the tools we love
rasmusluckow
328
21k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
177
52k
Transcript
Context Receiversʹ ࢥ͍ΛͤΔ uzzu @ 2022/10/05 DroidKaigi 2022 DAY.01
Cluster, Inc. All Rights Reserved. 2 ҙ 2022/09࣌Ͱͷ ใΛݩʹൃද͓ͯ͠Γ·͢ ࢥ͍ΛͤΔ༰ͳͷͰओ؍ؚ·Ε͓ͯΓ·͢
Context Receiversݱࡏprototypeஈ֊Ͱ͢ ྃ͝ঝ͍ͩ͘͞
Cluster, Inc. All Rights Reserved. 3 ࣗݾհ @uzzu Cluster, Inc.
ιϑτΣΞΤϯδχΞ झຯ: VR, ࡶଟͳٕज़ݕূ, ಡॻ, DTM, ֨ήʔ, εϓϥ
Cluster, Inc. All Rights Reserved. 4 ClusterͷAndroidΞϓϦʹ͍ͭͯ AndroidΞϓϦ ࠾༻ใ AndroidΞϓϦΤϯδχΞืू
⬆ inroom (Unity as a Library) ⬅︎ outroom (Native App)ɹɹɹ
Cluster, Inc. All Rights Reserved. 5 ΞδΣϯμ ɾContext Receivers͕དྷΔ·Ͱͷ͓͞Β͍ ɾContext
Receiversͱɺ༻ྫ ɾContext Receiversͷ՝ɺࢥ͍ ɾ·ͱΊ
Cluster, Inc. All Rights Reserved. 6 ContextReceivers͕དྷΔ·Ͱͷ͓͞Β͍ KEEP(https://github.com/Kotlin/KEEP) YouTrack(https://youtrack.jetbrains.com/) Kotlin
Slack(https://kotlinlang.slack.com/) ͍͔ͭ͋͘Δ͕ͦͷதͰ2ͭͷissueΛൈਮ
Cluster, Inc. All Rights Reserved. 7 Compile-time Extension Interfaces https://github.com/Kotlin/KEEP/pull/87
2017/10ࠒ ɾ࠷ॳظʮType Classesʯͱ͍͏λΠτϧͰproposal͕ॻ͔Ε͍ͯͨ ɾʮ͍ͭʹKotlinʹܕΫϥε͕དྷΔ…?!ʯͱ͍͏ࣄͰք۾Γ্͕Δ
Cluster, Inc. All Rights Reserved. 8 Compile-time Extension Interfaces https://github.com/Kotlin/KEEP/pull/87
Cluster, Inc. All Rights Reserved. 9 Compile-time Extension Interfaces https://github.com/Kotlin/KEEP/pull/87
ɾcompanion objectͱͷׂͷॏෳ ɾJVMͱͷ૬ޓӡ༻ ɾෳͷϨγʔόʹର͢Δ֦ுߏจ͕ඞཁ ɾimplicit parameterͷ͠͞ ɾetc…
Cluster, Inc. All Rights Reserved. 10 Multiple receivers on extension
functions/properties https://youtrack.jetbrains.com/issue/KT-10468 https://youtrack.jetbrains.com/issue/KT-42435
Cluster, Inc. All Rights Reserved. 11 ͦͯ͠Context Receivers https://github.com/Kotlin/KEEP/issues/259 https://github.com/Kotlin/KEEP/blob/master/proposals/context-
receivers.md ឯ༨ۂંʹ͍ͭͯProposalʹॻ͔Ε͍ͯΔ (Alternative approaches and design tradeoffs) 1.6.20-M1 ʹͯPrototypeͱͯ͠ϦϦʔε https://blog.jetbrains.com/kotlin/2022/02/kotlin-1-6-20-m1- released/ freeCompilerArgs = listOf("-Xcontext-receivers")
Cluster, Inc. All Rights Reserved. 12 Context ReceiversͷGoal (ͷ͏ͪ2͚ͭͩհ) ɾίϯςΩετநԽΛهड़͢ΔͨΊͷ
ɹmember extension(ϝϯόʔ֦ு)ΛऔΓআ͘
Cluster, Inc. All Rights Reserved. 13 Context ReceiversͷGoal (ͷ͏ͪ2͚ͭͩհ)
Cluster, Inc. All Rights Reserved. 14 Context ReceiversͷGoal (ͷ͏ͪ2͚ͭͩհ)
Cluster, Inc. All Rights Reserved. 15 Context ReceiversͷGoal (ͷ͏ͪ2͚ͭͩհ)
Cluster, Inc. All Rights Reserved. 16 Context ReceiversͷGoal (ͷ͏ͪ2͚ͭͩհ) ɾKotlinͷܕγεςϜͰෳͷϨγʔόΛ࣋ͭ
ɹίʔυϒϩοΫΛදݱͰ͖ΔΑ͏ʹ͢Δ
Cluster, Inc. All Rights Reserved. 17 Context Receiversͷͦͷଞͷྫ ɾίϯετϥΫλͷӅṭ +
Contextࢀর
Cluster, Inc. All Rights Reserved. 18 Context Receiversͷͦͷଞͷྫ ɾOverloading(※ҙ͋Γ) ͜͏͍͏ίʔυॻ͔ͳ͍Ͱɺͳ༰Proposalʹهࡌ͞Ε͍ͯΔ
(contexts-and-coding-style)
Cluster, Inc. All Rights Reserved. 19 ɾContext Functionͷείʔϓ֊ͷਂ͞(ݕ౼த) ɾReflectionະରԠ(Prototypeஈ֊ͰΒͳͦ͏ͳؾ͕) ɾΤοδέʔεͷରԠ
(Kotlin 1.8.0ͰҰ෦मਖ਼ࡁ) ɾSyntax Highlighting(Τϥʔు͘ͷͰےͰ) ɾetc… Context Receiversͷ՝(Future Work)
Cluster, Inc. All Rights Reserved. 20 (ϓϩτλΠϓஈ֊Ͱͱ͔͍͘͏͖ Ͱͳ͍ͷঝͰ) ɾهड़ͷબࢶ͕ଟͯ͋͘Μ·Γࠓ·ͰͷKotlinΒ͘͠ͳ͍Α͏ͳؾ͕͢Δͷ͕ ɹݸਓతʹٯʹ໘ന͍
ɾCompile-time extensionํ໘Ͱ্͕ͬͨ՝͔ΒݟΔʹՄೳͳهड़ ɹ͜Ε͔ΒߜΒΕ͍ͯͬͯཉ͍͠ͳʔͱࢥ͍ͬͯΔ ɹ(ཞ༻͕ාͯ͘ਂ͘৮Εͳ͍ਓʑ͕͍ͦ͏ͳͷ͍ͬͨͳ͍ɺͱ͍͏ҙຯͰ) ɾݱঢ়Ͱᙱ͍ͱ͜Ζʹख͕ಧ͘ͷͰݸਓతʹॿ͔Δ Context Receiversͷࢥ͍
Cluster, Inc. All Rights Reserved. 21 Context Receiversͷࢥ͍ ɾͦͦͳͥ ”Context”
ʹͳͬͨͷ͔…ʁ ɹ=> Multiple receiversͷϓϩτλΠϓͷஈ֊Ͱ ɹɹύϥϝʔλΛஔ͖͑ΔͨΊʹ͋ΔΘ͚Ͱͳ͘ ɹɹؔݺͼग़͠ͷͨΊͷίϯςΩετΛՃ͢Δҝͷ ɹɹઃܭ͕ඞཁͩͱؾ͍ͮͨҝ ɹɹ=> ύϥϝʔλͷΘΓʹ༻͢Δ߹ʹ ɹɹɹهड़͕ʹͳΔΑ͏͍͑ͯͯ͠Δ ɹɹɹ=> ཞ༻͞Εͳ͍Α͏ʹ https://youtrack.jetbrains.com/issue/KT-10468/Multiple-receivers-on-extension-functionsproperties#focus=Comments-27-4608759.0-0
Cluster, Inc. All Rights Reserved. 22 Context Receiversͷࢥ͍ ɾͦͦͳͥ ”Context”
ʹͳͬͨͷ͔…ʁ ɹ=> Multiple receiversͷϓϩτλΠϓͷஈ֊Ͱ ɹɹύϥϝʔλΛஔ͖͑ΔͨΊʹ͋ΔΘ͚Ͱͳ͘ ɹɹؔݺͼग़͠ͷͨΊͷίϯςΩετΛՃ͢Δҝͷ ɹɹઃܭ͕ඞཁͩͱؾ͍ͮͨҝ ɹɹ=> ύϥϝʔλͷΘΓʹ༻͢Δ߹ʹ ɹɹɹهड़͕ʹͳΔΑ͏͍͑ͯͯ͠Δ ɹɹɹ=> ཞ༻͞Εͳ͍Α͏ʹ https://youtrack.jetbrains.com/issue/KT-10468/Multiple-receivers-on-extension-functionsproperties#focus=Comments-27-4608759.0-0 ͻΐͬͱͯ͠ਅ໘ʹimplicit parameterʹcode generationͳΓͰ ͪΌΜͱରԠͰ͖ΔΑ͏ʹɺ༨നͱ͍ͯͯ͠͠ΔͷͩΖ͏͔…ʁ ؾʹͳΔ…ͦΘͦΘ…ৄ͍͠ਓڭ͍͑ͯͩ͘͞
Cluster, Inc. All Rights Reserved. 23 ·ͱΊ ɾContext ReceiversܕΫϥεͷProposal͔Β
ɹෳͷϨγʔόʹର͢Δ֦ுߏจ͕ඞཁͱ͍͏ ɹྲྀΕͰ࡞ΒΕͨ ɾKotlinʹͯࣗ͘͠͠༝ͷߴ͍Proposal ɾָ͍͠ͷࠓ͚͔ͩ…ʁ ɹProposalΛಡΜͰָ͘͠ɹ ʂ
Context Receiversʹ ࢥ͍ΛͤΔ uzzu @ 2022/10/05 DroidKaigi 2022 DAY.01