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たのしいString
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ima1zumi
February 25, 2023
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たのしいString
ima1zumi
February 25, 2023
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Transcript
ͨͷ͍͠String ϓϩάϥϛϯάݴޠRuby30पه೦Πϕϯτ 2023-02-25 ima1zumi
Introduction - @ima1zumi (Mari Imaizumi) - ӬγεςϜϚωδϝϯτॴଐ - IRB and
Reline committer - จࣈͱจࣈίʔυ͕͖
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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
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Welcome to faster Encodings