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
iosdcrc_operator
Search
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
Shigure Shimotori
October 13, 2017
Programming
730
1
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
iosdcrc_operator
Swiftは何故か郵便屋さんを採用している話です #iOSDCRC
Shigure Shimotori
October 13, 2017
More Decks by Shigure Shimotori
See All by Shigure Shimotori
AsyncSequenceとAsyncStreamのプロポーザルを全部読む!!
s_shimotori
1
490
アメ車でサンノゼを走ってきたよ!
s_shimotori
0
400
おっと、お飲みごろの時間です!
s_shimotori
1
160
Synchronizationを支える技術
s_shimotori
1
320
1人で挑むSwiftコンパイラ 〜型システム入門編〜
s_shimotori
0
1.4k
英語
s_shimotori
1
1.2k
Parallel Socket Communication in Swift
s_shimotori
1
1k
UIColor Anatomy
s_shimotori
1
3k
UIColor Cluster
s_shimotori
1
850
Other Decks in Programming
See All in Programming
Vue × Nuxt × Oxc どこまで使える?実運用の現在地
andpad
0
310
鹿野さんに聞く!『TypeScriptコードレシピ集』で磨く実践力
tonkotsuboy_com
4
860
ローカルLLMを使ってB2Bサービスを作っていての学び
yaotti
0
220
Oxcを導入して開発体験が向上した話
yug1224
4
340
気圧・高度・GPSを記録&可視化するアプリ「Koudo」を作った話
hjmkth
1
320
気づいたらRubyで100作品 ー クリエイティブコーディングが生活の一部になるまで / 100 Ruby Sketches Later: How Creative Coding Became Part of My Life
chobishiba
3
610
Even G2とAWSで推しのエージェントを召喚しよう!
har1101
1
130
Datadog LLM Observabilityで実現する 安全なLLM Usage 管理
3150
0
120
Javaの型とAI時代に型が大事な理由 / java types and type in AI era
kishida
2
150
AI駆動開発を妨げる技術的負債の解消アプローチ / ai-refactoring-approach
minodriven
15
7.3k
TSKaigi Night Talks 2026_TypeScriptでサプライチェーンの整合性を型に閉じ込める
geekplus_tech
0
410
LaravelLive Japan の裏方のすべて — 第188回 PHP勉強会@東京 (2026-06-24)
suguruooki
2
130
Featured
See All Featured
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
28
3.5k
Intergalactic Javascript Robots from Outer Space
tanoku
273
27k
Navigating the moral maze — ethical principles for Al-driven product design
skipperchong
2
400
Why You Should Never Use an ORM
jnunemaker
PRO
61
9.9k
Beyond borders and beyond the search box: How to win the global "messy middle" with AI-driven SEO
davidcarrasco
3
170
Evolving SEO for Evolving Search Engines
ryanjones
0
230
Building Experiences: Design Systems, User Experience, and Full Site Editing
marktimemedia
0
540
Building an army of robots
kneath
306
46k
Large-scale JavaScript Application Architecture
addyosmani
515
110k
svc-hook: hooking system calls on ARM64 by binary rewriting
retrage
2
310
The State of eCommerce SEO: How to Win in Today's Products SERPs - #SEOweek
aleyda
2
11k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
55
3.4k
Transcript
iOSDC 2017 Reject Conference day1 ༣ศ͞Μͷԋࢉࢠ @S_Shimotori
ͩΕ • @S_Shimotori / @S_Shimotori_pub • ͭΒֶ͍ੜ • iOSDCؔ3
Custom Operators
ԋࢉࢠΛࣗ࡞ʂͨͷ͍͠ʂ • xmartlabs/Eureka • ϑΥʔϜϏϧμʔ • +++ͰSectionΛՃ͢ΔͳͲ • thoughtbot/Runes •
HaskellͰݟͨΑ͏ͳԋࢉࢠ͕͑ΔΑ͏ʹͳΔ
ͲΜͳԋࢉࢠ͕࡞ΕΔͷ͔ʁ
͜ΕΛݟ͓͚ͯᘳͰ͢ʂ
ͳΜͱͳʙ͘๏ଇ͕͋Δʂ
๏ଇͦͷ1
ͦͷ1: ͑ͦ͏ͳASCIIจࣈ͑Δ • ݟͨ͜ͱ͋ΔͷͰ΄΅શͯ • ڍ͛ΒΕ͍ͯͳ͍จࣈΛݟΕೲಘ͔ʁ • ɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹෆՄ • ɹ
dot operatorͰ༻Մ l 4USJOH-JUFSBMͰ༻ b LFZXPSEͷઌ಄Ͱ༻ JGͳͲ JNQMJDJUOBNFEQBSBNFUFSTͰ༻ ͳͲ \^ UVQMFɼGVODUJPOͳͲͰ༻ <> BSSBZMJUFSBMͳͲͰ༻ ܕͷݺͼग़͠ɼ࿈ଓ͢ΔPQFSBUPSͷׂͳͲͰ༻ ۠Γͱͯ͠༻ ! BUUSJCVUFͰ༻ !BWBJMBCMFͳͲ a Τεέʔϓ,FZ1BUI&YQSFTTJPOͰ༻ @ XJMEDBSEQBUUFSOͰ༻ A ༧ޠΛJEFOUJpFSʹ༻͍Δ࣌ʹ༻
๏ଇͦͷ2
ͦͷ2: identifierͰ͑Δจࣈجຊతʹ͑ͳ͍ • identifierͱoperatorผ • ઐ༻ͷΤϥʔ͕ଘࡏ͢Δ • • ͪΖΜΞϧϑΝϕοτࣈ༻ෆՄ •
༻ෆՄ ·Ί͖ͪ͠: ͜ͷΤϥʔจ۟ʮidentifier_when_expecting_operatorʯͷ໊Ͱ͔ͬ͠ΓSwiftʹ࣮͞Ε͍ͯ·͢ https://github.com/apple/swift/blob/bf42def404abcc9239cf7856475da2c80b86cc70/include/swift/AST/DiagnosticsParse.def#L421
❌ U+3008-U+3020, U+3030 ൣғμϒͬͯΔ͡ΌΜʁ U+3021-U+302Fɹ͕ ·Ί͖ͪ͠: U+3021-U+3029ોभ߸ᛰͱ͍͏ࣈɼU+302A-U+302Fͱ͔ූͱ͔ݺΕΔͷɽཁதࠃޠɽ ͱ͍͏͔U+3000-U+303Fࣗମ͕CJK Symbols and
Punctuationͱ͍͏ΧςΰϦɽ
๏ଇͦͷ3
ͦͷ3: ֶه߸͕݁ߏ͑Δ • ҹͱֶ͔ه߸ͱ͔͕·Δͬͱ͑Δ • mattt/Eulerͱ͍͏ϥΠϒϥϦ(?)͕͋Δ͘Β͍ • ɹɹɹɹ͑ͳ͍ ΄͔ଟ ਖ਼֬ʹ͍͏ͱɼUnicodeͰʮArrowsʯʮMathematical
OperatorsʯʮMiscellaneous TechnicalʯϒϩοΫͱݺΕ͍ͯΔͱ͜Ζ͕ ·Δ·Δ༻Մೳʹͳ͍ͬͯΔ
๏ଇͦͷ4
ͦͷ4 : ҙ֎ͱׅހϓϥΠϜ͕͑ͪΌ͏ • ASCIIจࣈͰμϝͰɼࣅͨจࣈ͕͑Δ͜ͱ͕͋Δ • • • • ٯʹ͍͏ͱׅހΫΥʔτͷྨม໊ʹ͑ͳ͍
๏ଇͦͷ5
ͦͷ5: ԋࢉࢠʹ͑Δֆจࣈ͋Δ • ͑ΔͷU+3030·ͰͷจࣈͷҰ෦ͱࢥͬͯOK • U+1F436ɼU+1F42E • ֆจࣈͷଟ͘U+1F000Ҏ߱Ͱൣғ֎ • U+3030Ҏલʹ͋Δֆจࣈ͑Δ͔ʂ
U+3030·ͰͷͲΕ͕ֆจࣈͳͷ͔ • The Unicode Consortium͕ܾΊ͍ͯΔ • ΄ͱΜͲ͕͑ΔͷͰɼҰཡΛݟͯωλΛ࿅Δͱྑ͠ • ͑ͳ͍ࢠ: •
U+FE0FͱU+FE0E͕ԋࢉࢠ໊ͷ2จࣈҎ߱Ͱ͑Δ • ͭ·ΓֆจࣈελΠϧͱςΩετελΠϧผѻ͍ Ұཡ http://unicode.org/Public/emoji/5.0/emoji-data.txt https://ja.wikipedia.org/wiki/Unicode%E3%81%AEEmoji%E3%81%AE%E4%B8%80%E8%A6%A7
͍͍ͩͨ͜Μͳײ͡ʂ
·ͱΊ • ͑ͦ͏ͳASCIIจࣈ͑Δ • identifierͰ͑Δจࣈجຊతʹ͑ͳ͍ • ֶه߸͕݁ߏ͑Δ • ҙ֎ͱׅހϓϥΠϜ͕͑Δ •
ಉ͡छྨͷจࣈ͕શ෦͑ΔΘ͚Ͱͳ͍ • ԋࢉࢠʹ͑Δֆจࣈ͋Δ
࠷ޙʹ͏1ͭ
࣍ͷจࣈԋࢉࢠʹ͑Δͷ͔ʁ ֆจࣈ͔Ͳ͏͔ ԋࢉࢠʹ͑Δ͔ ὺ ˟ ℗ ™ ℠
ֆจࣈ͔Ͳ͏͔ ԋࢉࢠʹ͑Δ͔ ὺ O : ˟ O : ⁴ O O : : : : ℗ O O ä : O ℠ O O
Θ͔ΒΜʂʂʂ
None