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みんなに知って欲しい Meguro.rb
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Nao Minami
July 29, 2018
Programming
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230
みんなに知って欲しい Meguro.rb
東急 Ruby 会議 #12 LTで、前半は meguro.rb の紹介、後半は yard2steep の紹介 LT をしました!
Nao Minami
July 29, 2018
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Transcript
©2018 Wantedly, Inc. 29.Jul.2018 - Nao Minami (@south37) ΈΜͳʹͬͯཉ͍͠ YARD
Ͱ੩తܕ͖ Ruby ʢyard2steepʣ
©2018 Wantedly, Inc. 29.Jul.2018 - Nao Minami (@south37) ΈΜͳʹͬͯཉ͍͠ YARD
Ͱ੩తܕ͖ Ruby ʢyard2steepʣ ͱࢥͬͨΜͰ͕͢ɻɻɻ
©2018 Wantedly, Inc. 29.Jul.2018 - Nao Minami (@south37) ΈΜͳʹͬͯཉ͍͠ YARD
Ͱ੩తܕ͖ Ruby ʢyard2steepʣ Ͱແཧͦ͏ʂ
©2018 Wantedly, Inc. 29.Jul.2018 - Nao Minami (@south37) ΈΜͳʹͬͯཉ͍͠ Meguro.rb
©2018 Wantedly, Inc. ࣗݾհ
©2018 Wantedly, Inc. Nao Minami / @south37, @minami7o Infrastructure engineer
@ Wantedly, Inc.
©2018 Wantedly, Inc. .FHVSPSCͬͯ·͢ʂ
©2018 Wantedly, Inc.
©2018 Wantedly, Inc. ࠇۙลɻɻɻʁʁʁ
©2018 Wantedly, Inc. ҆͝৺͍ͩ͘͞ʂ
©2018 Wantedly, Inc. ࠇ֓೦ʂ
©2018 Wantedly, Inc. w ࠇӺ۠ʢʁʣ w .FHVSPSCനۚɾޒా Ͱ։࠵ʢʁʣ
©2018 Wantedly, Inc. ࠇʹڥքແ͍ʂ
©2018 Wantedly, Inc. ໌ޙΞΧπΩ͞ΜΦϑΟεͰ ։࠵ͳͷͰੋඇ͝ࢀՃ͍ͩ͘͞ʂ
©2018 Wantedly, Inc.
©2018 Wantedly, Inc. DPOOQBTTͰNFHVSPSCͰݕࡧʂ
©2018 Wantedly, Inc. എܠ ZBSETUFFQͷ͝հ ·ͱΊ ࠓ͢༰
©2018 Wantedly, Inc. ಥવͰ͕͢ɻɻɻ
©2018 Wantedly, Inc.
©2018 Wantedly, Inc. 3VCZ,JHJ ྑ͔ͬͨͰ͢Ͷʂ
©2018 Wantedly, Inc. ৭ʑͳτʔΫ͕͋Γ·͕ͨ͠ɺ 4UFFQͱ͍͏ʮ੩తܕ͚πʔϧʯ͕ ҹʹΓ·ͨ͠
©2018 Wantedly, Inc.
©2018 Wantedly, Inc. 4UFFQͱ w 3VCZʹରͯ͠੩తܕ͚͕ग़དྷΔπʔϧ w ܕఆٛϑΝΠϧͱ3VCZίʔυ͔ΒɺܕݕࠪΛߦ͏ w ܕఆٛϑΝΠϧಠࣗจ๏
w 3VCZʹࣅ͍ͯΔ͕ɺܕΛද͢ઐ༻ه๏͕͋Δ
©2018 Wantedly, Inc. 4UFFQͷܕఆٛϑΝΠϧ class Person @name: String @contacts: Array<Email
| Phone> def initialize: (name: String) -> any def name: -> String def contacts: -> Array<Email | Phone> def guess_country: -> (String | nil) end
©2018 Wantedly, Inc. 4UFFQͷ1SPT$POT w 1SPT w 3VCZͰ੩తܕݕ͕ࠪग़དྷΔʂιϑτΣΞ։ൃͷॿ͚ʹͳͬͯ͘ΕΔʂ w $POT
w ܕఆٛϑΝΠϧͷઐ༻จ๏Λ֮͑Δඞཁ͕͋Δ w ܕఆٛϑΝΠϧΛ͔Βॻ͘ͷ͕େมʂ w ATUFFQTDB⒎PMEAίϚϯυ͕ॿ͚ʹͳͬͯ͘ΕΔ͕ɻɻɻ
©2018 Wantedly, Inc. Կ͔ྑ͍ํ๏ແ͍͔ʁ
©2018 Wantedly, Inc. 3VCZͰܕͱ͍͑:"3%ʜ :"3%ͰܕνΣοΫΛߦ͑ྑ͍ͷʁ
©2018 Wantedly, Inc. ͱ͍͏͜ͱͰɺ πʔϧΛ࡞ͬͯΈͨ
©2018 Wantedly, Inc.
©2018 Wantedly, Inc.
©2018 Wantedly, Inc. ZBSETUFFQ
©2018 Wantedly, Inc. എܠ ZBSETUFFQͷ͝հ ·ͱΊ ࠓ͢༰
©2018 Wantedly, Inc. ZBSETUFFQͱ w 3VCZϓϩάϥϜதͷ:"3%Ξϊʔςʔγϣϯ ͔Βɺ4UFFQͷܕఆٛϑΝΠϧΛࣗಈੜ w 4UFFQͱΈ߹ΘͤΔࣄͰɺ:"3%Ͱ੩తܕݕ ࠪΛ࣮ݱʂ
©2018 Wantedly, Inc. %&.0
©2018 Wantedly, Inc. 3VCZίʔυΛ༻ҙ͢Δ # lib/parser.rb class AST # @return
[String] def to_s "AST" end # @param [Hash] opt def traverse!(opt) end end class Parser # @param [String] text # @param [Hash] opt # @return [AST] def parse(text, opt) ast = AST.new ast.traverse!(opt) ast end end
©2018 Wantedly, Inc. ZBSETUFFQίϚϯυΛ࣮ߦ $ yard2steep lib ZBSETUFFQͰܕఆٛϑΝΠϧΛੜ # sig/parser.rbi
class AST def to_s: -> String def traverse!: (Hash<any, any>) -> any end class Parser def parse: (String, Hash<any, any>) -> AST end
©2018 Wantedly, Inc. TUFFQͰܕνΣοΫ $ steep check lib ܕݕ͕ࠪ௨ΕɺԿग़ྗ͞Εͳ͍
©2018 Wantedly, Inc. Ͱɺܕݕ͕ࣦࠪഊ͢ΔέʔεͲ͏ͩΖ͏ʁ
©2018 Wantedly, Inc. ܕݕࠪͰࣦഊͤͯ͞ΈΔ # lib/parser.rb class AST # @return
[String] def to_s "AST" end # @param [Hash] opt def traverse!(opt) end end class Parser # @param [String] text - # @param [Hash] opt + # @param [Hash, nil] opt # @return [AST] - def parse(text, opt) + def parse(text, opt: nil) ast = AST.new ast.traverse!(opt) ast end end
©2018 Wantedly, Inc. ܕݕࠪͰࣦഊͤͯ͞ΈΔ $ yard2steep lib && steep check
lib lib/parser.rb:18:18: ArgumentTypeMismatch: receiver=::AST, expected=::Hash<any, any>, actual=(::Hash<any, any> | nil) (opt) ZBSETUFFQͱTUFFQΛΈ߹ΘͤͯܕνΣοΫ ͪΌΜͱɺAOJMAνΣοΫ͍ͯ͠ͳ͍ίʔυͰΤϥʔ ͕ग़ͨʂ
©2018 Wantedly, Inc. :"3%Ͱ੩తܕݕ͕ࠪग़དྷͯΔʂ
©2018 Wantedly, Inc. ࠷ۙͷΞοϓσʔτ w ϦϦʔεޙϲ݄Ͱͬͨ͜ͱ w BUUS@SFBEFSͳͲɺ3VCZͷΈࠐΈͷNFUBQSPHSBNNJOHܥͷػೳΛTVQQPSU w 3VCZQBSTFSͷվળ
ࣗલ࣮3JQQFSϕʔεҠߦ w ఆͷܕ͚ w FUD w Γ͍ͨ͜ͱ w :"3%BOOPUBUJPOͷϦονͳه๏Λαϙʔτ w BUSS@XSJUFS BUUS@BDDFTTPSͳͲͷTVQQPSU
©2018 Wantedly, Inc. എܠ ZBSETUFFQͷ͝հ ·ͱΊ ࠓ͢༰
©2018 Wantedly, Inc. ·ͱΊ w :"3%Ͱ੩తܕݕ͕ࠪͰ͖ΔΑ͏ʹͳͬͨʂ w 4UFFQͱZBSETUFFQΛΈ߹ΘͤΔࣄͰ࣮ݱ w BOZܕ͕͋ΔͷͰɺগͣͭ͠ಋೖ͕Մೳ
w ͜Ε͔Βɺ3VCZͰ)BQQZ)BDLJOH͠Α͏ʂ