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
たのしいString
Search
ima1zumi
February 25, 2023
1
600
たのしいString
ima1zumi
February 25, 2023
Tweet
Share
More Decks by ima1zumi
See All by ima1zumi
Ruby Taught Me About Under the Hood
ima1zumi
6
17k
Exploring Reline: Enhancing Command Line Usability
ima1zumi
1
99
10年物のRailsアプリにキャッチアップ!〜コードを読まずに理解したかった〜
ima1zumi
0
110
RubyKaigiの登壇者一覧ページを作った
ima1zumi
0
450
Relineのその後の生活
ima1zumi
0
240
IRB and Reline Kaigi 2024
ima1zumi
0
17
Exploring Reline: Enhancing Command Line Usability
ima1zumi
3
15k
Reline 1分 Cooking
ima1zumi
0
39
続・mruby/cにUTF-8 を実装する
ima1zumi
1
34
Featured
See All Featured
Facilitating Awesome Meetings
lara
56
6.6k
Thoughts on Productivity
jonyablonski
70
4.8k
Making Projects Easy
brettharned
118
6.4k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
30
2.9k
How GitHub (no longer) Works
holman
315
140k
How to train your dragon (web standard)
notwaldorf
96
6.2k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
132
19k
Context Engineering - Making Every Token Count
addyosmani
3
140
Agile that works and the tools we love
rasmusluckow
330
21k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
358
30k
Large-scale JavaScript Application Architecture
addyosmani
513
110k
The Straight Up "How To Draw Better" Workshop
denniskardys
237
140k
Transcript
ͨͷ͍͠String ϓϩάϥϛϯάݴޠRuby30पه೦Πϕϯτ 2023-02-25 ima1zumi
Introduction - @ima1zumi (Mari Imaizumi) - ӬγεςϜϚωδϝϯτॴଐ - IRB and
Reline committer - จࣈͱจࣈίʔυ͕͖
Powered by
Ruby30प͓ΊͰͱ͏͍͟͝·͢🎉
Rubyͷָ͍͠ͱ͜Ζ
String & Encoding
ࠓ͔Β͑Δ จࣈͱจࣈίʔυૢ࡞ 3બ
ᶃ ɺόΠτྻ͔Βจࣈʹ͢
ɺόΠτྻ͔Βจࣈʹ͢ • Integer#chr • Array#pack • String#force_encoding
Integer#chr(encoding) • ίʔυϙΠϯτΛจࣈͱͯ͠ղऍ • Ҿͳ͠ͷ߹US-ASCIIɺASCII-8BITɺEncoding.default_internalͷ ॱͰղऍ
Array#pack • ྻͷ༰ΛҾʹैͬͯύοΫ • "U*" Unicode codepointΛUTF-8ͱͯ͠ղऍͯ͠ฦ͢
String#force_encoding • จࣈίʔυͷΈΛมߋ͠ɺόΠτྻมߋ͠ͳ͍ • ͜͜ͰόΠφϦ(ASCII_8BIT)ͷจࣈίʔυΛUTF-8ʹมߋ
ᶄจࣈԽ͚Λ࡞Δ
จࣈԽ͚Λ࡞Δ • String#force_encoding • String#encode
จࣈԽ͚Λ࡞Δ
จࣈԽ͚Λ࡞Δ
จࣈԽ͚Λ࡞Δ
https://github.com/integrations/slack/issues/1416
ããã«ã¡ã¯ä¸ç ͜Μʹͪੈք
None
None
None
None
None
ããã«ã¡ã¯ä¸ç ͜Μʹͪੈք
ᶅจࣈίʔυΛRubyͰRubyʹՃ
จࣈίʔυΛՃ͢Δ • Encoding#replicate • ҙޙड़
Δ͜ͱ • 1. ࡞Γ͍ͨEncodingͷܗʹͳΔEncodingΛܾΊΔ • 2. Encoding#replicate͢Δ • 3. มϩδοΫΛॻ͘
จࣈίʔυΛఆٛ͢Δ
มϩδοΫΛॻ͘
https://github.com/ima1zumi/ruby_encoding_iroha
Remove Encoding#replicate Ruby 3.3
None
None
Welcome to faster Encodings