Rubyͷ ͍··Ͱͱ͜Ε͔Β sugamasao [email protected] iCARE Dev Meetup #14(2020/10/21)

Rubyͷ ͍··Ͱͱ͜Ε͔Β RubyͰϫΫϫΫ͠ ͖ͯͨ࿩Λ͠·͢

※ݸਓͷײ૝

HN:sugamasao PN:͕͢ΘΒ ·͞ͷΓ Rubyྺ : 14೥͘Β͍ Railsྺ : 10೥͘Β͍ • ຊۀ • WebΞϓϦέʔγϣϯϓϩάϥϚʔ ʢגࣜձࣾSmartHRʣ • झຯ • Rubyʹؔ͢Δॻ੶ͷࣥච׆ಈ ͩΕʁ

झຯͷ׆ಈ ྦྷܭ5࡭ʢ2࡭͸վగ൛͋Γʣ

Ruby ָ͠ΜͰ·͔͢ʁ

ָ͠͞ʁ

ॻ͖ຯ ΤίγεςϜ ίϛϡχςΟ ਓͷ਺ָ͚ͩ͠Έํ͸͋Γ·͢Ͷ

ਓͧΕͧΕ ͍Ζ͍Ζ͋Δ

ʢࢲ͸ʣ ৽͍͠όʔδϣϯʹ௥ Ճ͞ΕͨػೳΛݟΔͱ ڵฃͯ͠͠·͏

⚠⚠⚠ ͔͜͜Βઌ͸ಠࣗݚڀɾ ಠࣗղऍͰ͢ ⚠⚠⚠

Rubyͷͬ͘͟Γͨ͠όʔδϣϯͷ ྺ࢙ 1.0 1996 2000 1.6 2005 1.8.4 2010 1.9.2 2015 2020 2.3.0 3.0.0 ※Rubyͷ”࢝·Γ”Λ͍͔ͭΒͱଊ͑Δ͔͸ॾઆ͋Γ·͢

1996ʙ2004͘Β͍ 1.0 1996 2000 1.6 2005 1.8.4 2010 1.9.2 2015 2020 2.3.0 3.0.0

͝ΊΜͳ͍͞ɺ͋·Γ ஌Βͳ͍Ͱ͢

1996ʙ2004͘Β͍ 1.0 1996 2000 1.6 1998 1.2 1999 1.4 2004 1.8.2 2003 1.8.0 ʙ C MagazineͰ࿈ࡌ RubyGemsҎલɺϥΠϒϥϦͳͲ͸RAAͱ͍͏ αΠτʹࡌͤΔ/ࡌͬͯΔͷΛ୳࣌͢୅ͩͬͨΑ͏ͳʢهԱũƄūŘʣ RubyGemsެ։

2005ʙ2009͘Β͍ 1.0 1996 2000 1.6 2010 1.9.2 2015 2020 2.3.0 3.0.0 2005 1.8.4

2005ʙ2009͘Β͍ 2005 1.8.4 2009 2007 1.9.0 1.9.1 Ruby 1.8·Ͱ͸1.X͕ۮ਺ = ҆ఆ൛ͱ͍͏Ґஔ͚ͮ 3VCZͷόʔδϣϯʹ͍ͭͯ Ruby 1.9.0͸։ൃ൛ Ruby 1.9.1͸ࢸߴͷ2.0.0΁޲͚ͯͷ҆ఆ൛ 2008 1.8.4 2005 1.8.7 2007 1.8.6 2007 1.8.5

2005ʙ2009͘Β͍ 2005 1.8.4 Rails 1.0ϦϦʔε 2009 2007 1.9.0 1.9.1 Rails 2.0ϦϦʔε(RESTfulϕʔεʹ) Rails 2.3ϦϦʔε(Rackϕʔεʹ) ೔ຊRubyΧϯϑΝϨϯε ʢͷͪͷ೔ຊRubyձٞʣ ։࠵ Rubyͷιʔείʔυ͕SVN؅ཧʹ Rails Conf 2006։࠵

Ruby 1.8ʙ1.9໰୊ Ruby 1.8ͱ1.9ʢ㲈2.0Ҏ߱ʣ͸େ͖ͳมԽ͕͋Γ·ͨ͠ • YARVͱݺ͹Ε͍ͯͨRubyͷιʔείʔυΛ όΠτίʔυʹม׵࣮ͯ͠ߦ͢ΔVMΛ౥ࡌ • จࣈྻͷଟݴޠԽʢM17NʣରԠ • R.I.P $KCODE • จࣈྻͷѻ͍ํ͸େ͖͘มΘΓɺASCIIҎ֎ͷ ΤϯίʔσΟϯάΛ࢖͏৔߹͸Ϛδίϝඞਢ • ࡉ͔͍ߏจղऍͷมߋ • RubyGems/Rake͕ඪ४ఴ෇ʹ

Ruby 1.8ʙ1.9໰୊ • VMͷ౥ࡌʢ଎͘ͳͬͨʂʣ΍RubyGemsͷඪ४ ఴ෇ʹΑΔศར͞ • ΤϯίʔσΟϯάͷѻ͍΍ߏจͷඍົͳඇޓ׵ʹ ΑΓʮRubyͬͯόʔδϣϯ͋͛Δͱ͙͢յΕΔ ͶʯΈ͍ͨͳΠϝʔδΛ΋ͨΕͨΓ ※ͪͳΈʹɺObjectSpace΍ripper΋1.9͔Β ಋೖɾಉࠝ͞ΕΔΑ͏ʹͳΓ·ͨ͠

2010ʙ2014͘Β͍ 1.0 1996 2000 1.6 2015 2020 2.3.0 3.0.0 2005 1.8.4 2010 1.9.2 ݸਓͷײ૝ɿ͜͜Βล͔ΒRubyΛ࢓ࣄͰ࢖͏ձ͕ࣾ૿͖͑ͯͨ

2010ʙ2014͘Β͍ 2010 1.9.2 2014 2.2.0 2013/12 2.1.0 2013/2 2.0.0 2011 1.9.3 Rails 3.0ϦϦʔε Merbͱ౷߹͞Εͨ……!! Bundlerͷಋೖ Rails 3.1ϦϦʔε AssetPipelineͷಋೖ CoffeeScriptͷ࣌୅ʢJS͸ίϯύΠϧ͢Ε͹ྑ͍ͱ͍͏ੈք؍ʣ “The Final RubyKaigi” ARelͷಋೖ reboot “RubyKaigi” Rails 3.2ϦϦʔε Rails 4.0ϦϦʔε (Ruby 1.9, 2.0Ҏ͕߱ λʔήοτʹ) Ruby 20प೥Πϕϯτ։࠵

͍ͭʹϦϦʔε͞ΕͨRuby 2.0 • Ruby 1.9.1ʙ1.9.3Λܦͯ଴๬ͷ2.0 • σϑΥϧτΤϯίʔσΟϯά͕UTF-8ʹͳͬͯ ʢଟ͘ͷ৔߹͸ʣϚδίϝෆཁʹ • ΈΜͳେ޷͖Refinements͕࣮ݧతػೳͱͯ͠ಋ ೖ • Karnel#requireͷੑೳվળͰRails͕ૣ͘ͳΔ • GCʹBitmapMarkingΛಋೖ(CoWͱͷ૬ੑ͕ྑ͘ͳͬͨ) • ϦϦʔεαΠΫϧ΍όʔδϣχϯάํ਑ͷมߋ

2015ʙ2019͘Β͍ 1.0 1996 2000 1.6 2005 1.8.4 2010 1.9.2 2015 2020 2.3.0 3.0.0 ݸਓͷײ૝ɿ͜͜Βล͔ΒRubyϑϧλΠϜίϛολʔ৬͕ͪΒ΄Βʁ

2015ʙ2019͘Β͍ 2015 2.3.0 2019 2.7.0 2016 2017 2018 2.4.0 2.5.0 2.6.0 RubyKaigi͕ ஍ํͰ։࠵͞ΕΔΑ͏ʹ ΦϯϥΠϯ։࠵ͷRubyKaigi APIϞʔυͷಋೖ Ruby 2.2.2Ҏ߱Λαϙʔτ Yarn/Webpackerαϙʔτ Rails 5.0ϦϦʔε Rails 5.1ϦϦʔε Rails 5.2ϦϦʔε Rails 6.0 ϦϦʔε ※࠷ۙͷग़དྷࣄͳͷͰলུύRailsങͬͯ͘Ε!!! RubyϦϙδτϦ͕git΁

Ruby 2.3ʙ2.7 • 2.3.0 • “Frozen String Literal”΍”&.”΍”did you mean”ͷಋೖ • 2.4.0 • “binding.irb”ͰσόοάՄೳʹ • Hashͷߴ଎Խ • 2.5.0 • ERB͕ΊͬͪΌૣ͘ͳΔ • ppͷࣗಈrequire

Ruby 2.3ʙ2.7 • 2.6.0 • Jitͷ࣮ݧతಋೖ • Bundler͕σϑΥϧτgemͱͯ͠ಉࠝ͞ΕΔΑ͏ʹ • 2.7.0 • irb͕relineʹΑΔ࣮૷ʹͳͬͯ͘͢͝ͳΔ • “ྩ࿨”ʹରԠ(UnicodeରԠ) • Pattern Matchingͷ࣮ݧతಋೖ • default gemsԽͷਪਐ • ΩʔϫʔυҾ਺ͷܯࠂൃੜʢ2.7.2Ͱ཈੍͞Εͨʣ

Ruby 3.0 1.0 1996 2000 1.6 2005 1.8.4 2010 1.9.2 2015 2020 2.3.0 3.0.0

Ruby 3.0 “ੑೳͷվળͱ ੜ࢈ੑͷվળ" Ruby Kaigi Takeout Matz KeynoteΑΓ

Ruby 3.0 • Fast • Concurrent • Correct ͘Θ͘͠͸Ruby Kaigi Takeout Matz KeynoteݟͯͶʢURL͸ࢀߟจݙʹࡌͤͯ·͢ʣ ʢଞʹ΋ͨ͘͞Μʂʣ

Fast • JITίϯύΠϥͷಋೖ • GCͷվળ

Concurrent • Async I/O Fiber • Ractor ϚϧνίΞ࣌୅ʹϦιʔεΛ༗ޮ׆༻͢Δ ͨΊʹ͸ฒߦ(CPU)࣮ߦͷखஈ͕ཉ͍͠

Correct • RBS(Ruby Signature) • Type Profiler(RBS Generations) • Static Type Checker(Third-Party) ࣮ߦલʹෆ੔߹Λݕ஌Ͱ͖ΔΑ͏ʹ͢ΔͨΊͷ Static Type Checksػߏ ※TypeProfͱ͍͏໊લʹมΘΓ·ͨ͠

(ຖ೥ࢮΜͰΔͬͯݴΘΕΔ͚Ͳ) ͜Ε͔Β΋RubyͰίʔυॻ͍͍ͯͧ͘ʂʂʂ̍

ࢀߟจݙ - ΦϒδΣΫτࢦ޲εΫϦϓτݴޠ Ruby - https://www.amazon.co.jp/dp/4756132545 - ϓϩάϥϛϯάRuby―ୡਓϓϩάϥϚʔΨΠυ - https://www.amazon.co.jp/dp/4894714531 - Ruby ιʔείʔυ׬શղઆ - https://book.impress.co.jp/books/1721 - ʮRuby on Rails 1.0ʯ͕ਖ਼ࣜϦϦʔε - https://www.itmedia.co.jp/enterprise/articles/0512/15/news098.html - “RESTful”ͳRuby on Rails 2.0ϦϦʔε - https://www.itmedia.co.jp/enterprise/articles/0712/11/news027.html - Rack౷߹ʮRuby on Rails 2.3ʯਖ਼ࣜ൛͕ϦϦʔε - https://mag.osdn.jp/09/03/18/0152252 - rails 3.0 - https://weblog.rubyonrails.org/2010/8/29/rails-3-0-it-s-done/ - Ruby 20प೥ - https://ruby20th.herokuapp.com/ - Ruby 2.3.0 - https://www.ruby-lang.org/ja/news/2015/12/25/ruby-2-3-0-released/ - Ruby 2.4.0 - https://www.ruby-lang.org/ja/news/2016/12/25/ruby-2-4-0-released/ - Ruby 2.5.0 - https://www.ruby-lang.org/ja/news/2017/12/25/ruby-2-5-0-released/ - Ruby 2.6.0 - https://www.ruby-lang.org/ja/news/2018/12/25/ruby-2-6-0-released/ - Ruby 2.7.0 - https://www.ruby-lang.org/ja/news/2019/12/25/ruby-2-7-0-released/ - RubyKaigi Takeout Matz Keynote - https://www.youtube.com/watch?v=wVrJZReHlM8