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
Shigure Shimotori
October 13, 2017
Programming
1
680
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
Tweet
Share
More Decks by Shigure Shimotori
See All by Shigure Shimotori
おっと、お飲みごろの時間です!
s_shimotori
1
83
Synchronizationを支える技術
s_shimotori
1
260
1人で挑むSwiftコンパイラ 〜型システム入門編〜
s_shimotori
0
980
英語
s_shimotori
1
870
Parallel Socket Communication in Swift
s_shimotori
1
840
UIColor Anatomy
s_shimotori
1
2.6k
UIColor Cluster
s_shimotori
1
780
iOSDC Japan 2019 60 mins for color
s_shimotori
5
3.9k
wwdc19
s_shimotori
2
390
Other Decks in Programming
See All in Programming
print("Hello, World")
eddie
1
520
Go言語での実装を通して学ぶLLMファインチューニングの仕組み / fukuokago22-llm-peft
monochromegane
0
120
AI時代のUIはどこへ行く?
yusukebe
16
8.7k
Deep Dive into Kotlin Flow
jmatsu
1
290
250830 IaCの選定~AWS SAMのLambdaをECSに乗り換えたときの備忘録~
east_takumi
0
380
🔨 小さなビルドシステムを作る
momeemt
3
670
2025 年のコーディングエージェントの現在地とエンジニアの仕事の変化について
azukiazusa1
21
11k
「手軽で便利」に潜む罠。 Popover API を WCAG 2.2の視点で安全に使うには
taitotnk
0
830
AI Coding Agentのセキュリティリスク:PRの自己承認とメルカリの対策
s3h
0
190
はじめてのMaterial3 Expressive
ym223
2
230
RDoc meets YARD
okuramasafumi
4
170
Android 16 × Jetpack Composeで縦書きテキストエディタを作ろう / Vertical Text Editor with Compose on Android 16
cc4966
0
170
Featured
See All Featured
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
8
520
Navigating Team Friction
lara
189
15k
Code Review Best Practice
trishagee
70
19k
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
VelocityConf: Rendering Performance Case Studies
addyosmani
332
24k
Keith and Marios Guide to Fast Websites
keithpitt
411
22k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
285
13k
Facilitating Awesome Meetings
lara
55
6.5k
Mobile First: as difficult as doing things right
swwweet
224
9.9k
Understanding Cognitive Biases in Performance Measurement
bluesmoon
29
1.9k
BBQ
matthewcrist
89
9.8k
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