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
Embracing the Ebb and Flow
colly
88
4.8k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
162
15k
Navigating Team Friction
lara
189
15k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
15
1.7k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
667
120k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
30
2.9k
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
132
19k
Visualization
eitanlees
148
16k
Fireside Chat
paigeccino
40
3.7k
A designer walks into a library…
pauljervisheath
209
24k
Code Reviewing Like a Champion
maltzj
525
40k
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