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
1
700
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
AsyncSequenceとAsyncStreamのプロポーザルを全部読む!!
s_shimotori
1
380
アメ車でサンノゼを走ってきたよ!
s_shimotori
0
300
おっと、お飲みごろの時間です!
s_shimotori
1
140
Synchronizationを支える技術
s_shimotori
1
280
1人で挑むSwiftコンパイラ 〜型システム入門編〜
s_shimotori
0
1.2k
英語
s_shimotori
1
1k
Parallel Socket Communication in Swift
s_shimotori
1
900
UIColor Anatomy
s_shimotori
1
2.8k
UIColor Cluster
s_shimotori
1
820
Other Decks in Programming
See All in Programming
CSC307 Lecture 07
javiergs
PRO
0
520
Oxlintはいいぞ
yug1224
5
1.1k
ゆくKotlin くるRust
exoego
1
210
Basic Architectures
denyspoltorak
0
630
16年目のピクシブ百科事典を支える最新の技術基盤 / The Modern Tech Stack Powering Pixiv Encyclopedia in its 16th Year
ahuglajbclajep
5
940
疑似コードによるプロンプト記述、どのくらい正確に実行される?
kokuyouwind
0
350
【卒業研究】会話ログ分析によるユーザーごとの関心に応じた話題提案手法
momok47
0
180
The Art of Re-Architecture - Droidcon India 2025
siddroid
0
170
AI Schema Enrichment for your Oracle AI Database
thatjeffsmith
0
160
コマンドとリード間の連携に対する脅威分析フレームワーク
pandayumi
1
420
なぜSQLはAIぽく見えるのか/why does SQL look AI like
florets1
0
390
HTTPプロトコル正しく理解していますか? 〜かわいい猫と共に学ぼう。ฅ^•ω•^ฅ ニャ〜
hekuchan
2
660
Featured
See All Featured
Site-Speed That Sticks
csswizardry
13
1k
Have SEOs Ruined the Internet? - User Awareness of SEO in 2025
akashhashmi
0
260
Design in an AI World
tapps
0
130
Skip the Path - Find Your Career Trail
mkilby
0
48
Side Projects
sachag
455
43k
Digital Ethics as a Driver of Design Innovation
axbom
PRO
1
170
JAMstack: Web Apps at Ludicrous Speed - All Things Open 2022
reverentgeek
1
320
How To Speak Unicorn (iThemes Webinar)
marktimemedia
1
370
Keith and Marios Guide to Fast Websites
keithpitt
413
23k
Balancing Empowerment & Direction
lara
5
850
Building the Perfect Custom Keyboard
takai
2
670
Leadership Guide Workshop - DevTernity 2021
reverentgeek
1
190
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