みんなに知って欲しい Meguro.rb

Transcript

1. ©2018 Wantedly, Inc. 29.Jul.2018 - Nao Minami (@south37) ΈΜͳʹ஌ͬͯཉ͍͠ YARD

   Ͱ੩తܕ෇͖ Ruby ʢyard2steepʣ

2. ©2018 Wantedly, Inc. 29.Jul.2018 - Nao Minami (@south37) ΈΜͳʹ஌ͬͯཉ͍͠ YARD

   Ͱ੩తܕ෇͖ Ruby ʢyard2steepʣ ͱࢥͬͨΜͰ͕͢ɻɻɻ

3. ©2018 Wantedly, Inc. 29.Jul.2018 - Nao Minami (@south37) ΈΜͳʹ஌ͬͯཉ͍͠ YARD

   Ͱ੩తܕ෇͖ Ruby ʢyard2steepʣ ෼Ͱ͸ແཧͦ͏ʂ

4. ©2018 Wantedly, Inc. 29.Jul.2018 - Nao Minami (@south37) ΈΜͳʹ஌ͬͯཉ͍͠ Meguro.rb

5. ©2018 Wantedly, Inc. ࣗݾ঺հ

6. ©2018 Wantedly, Inc. Nao Minami / @south37, @minami7o Infrastructure engineer

   @ Wantedly, Inc.

7. ©2018 Wantedly, Inc. .FHVSPSC
   ΍ͬͯ·͢ʂ

8. ©2018 Wantedly, Inc.

9. ©2018 Wantedly, Inc. ໨ࠇۙลɻɻɻʁʁʁ

10. ©2018 Wantedly, Inc. ҆͝৺͍ͩ͘͞ʂ

11. ©2018 Wantedly, Inc. ໨ࠇ͸֓೦ʂ

12. ©2018 Wantedly, Inc. w ໨ࠇӺ͸඼઒۠ʢʁʣ
    w .FHVSPSC
    ͸നۚ୆ɾޒ൓ా Ͱ΋։࠵ʢʁʣ

13. ©2018 Wantedly, Inc. ΋͸΍໨ࠇʹڥք͸ແ͍ʂ

14. ©2018 Wantedly, Inc. ໌ޙ೔ΞΧπΩ͞ΜΦϑΟεͰ
    ։࠵ͳͷͰੋඇ͝ࢀՃ͍ͩ͘͞ʂ

15. ©2018 Wantedly, Inc.

16. ©2018 Wantedly, Inc. DPOOQBTT
    Ͱ
    NFHVSPSC
    Ͱݕࡧʂ

17. ©2018 Wantedly, Inc.  എܠ
     ZBSETUFFQ
    ͷ͝঺հ
     ·ͱΊ ࠓ೔࿩͢಺༰

18. ©2018 Wantedly, Inc. ಥવͰ͕͢ɻɻɻ

19. ©2018 Wantedly, Inc.

20. ©2018 Wantedly, Inc. 3VCZ,JHJ
    
    ྑ͔ͬͨͰ͢Ͷʂ

21. ©2018 Wantedly, Inc. ৭ʑͳτʔΫ͕͋Γ·͕ͨ͠ɺ
    4UFFQ
    ͱ͍͏ʮ੩తܕ෇͚πʔϧʯ͕
    ҹ৅ʹ࢒Γ·ͨ͠

22. ©2018 Wantedly, Inc.

23. ©2018 Wantedly, Inc. 4UFFQ
    ͱ͸ w 3VCZ
    ʹରͯ͠੩తܕ෇͚͕ग़དྷΔπʔϧ
    w ܕఆٛϑΝΠϧͱ
    3VCZ
    ίʔυ͔ΒɺܕݕࠪΛߦ͏
    w ܕఆٛϑΝΠϧ͸ಠࣗจ๏
    

    w 3VCZ
    ʹࣅ͍ͯΔ͕ɺܕΛද͢ઐ༻ه๏͕͋Δ

24. ©2018 Wantedly, Inc. 4UFFQ
    ͷܕఆٛϑΝΠϧ 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

25. ©2018 Wantedly, Inc. 4UFFQ
    ͷ
    1SPT$POT w 1SPT
    w 3VCZ
    Ͱ੩తܕݕ͕ࠪग़དྷΔʂιϑτ΢ΣΞ։ൃͷॿ͚ʹͳͬͯ͘ΕΔʂ
    w $POT
    

    w ܕఆٛϑΝΠϧͷઐ༻จ๏Λ֮͑Δඞཁ͕͋Δ
    w ܕఆٛϑΝΠϧΛ͔Βॻ͘ͷ͕େมʂ
    
    
    w ATUFFQ
    TDB⒎PMEA
    ίϚϯυ͕ॿ͚ʹͳͬͯ͘ΕΔ͕ɻɻɻ

26. ©2018 Wantedly, Inc. Կ͔ྑ͍ํ๏͸ແ͍͔ʁ
    

27. ©2018 Wantedly, Inc. 3VCZ
    Ͱܕͱ͍͑͹
    :"3%ʜ
    :"3%
    ͰܕνΣοΫΛߦ͑͹ྑ͍ͷ͸ʁ

28. ©2018 Wantedly, Inc. ͱ͍͏͜ͱͰɺ
    πʔϧΛ࡞ͬͯΈͨ
    

29. ©2018 Wantedly, Inc.

30. ©2018 Wantedly, Inc.

31. ©2018 Wantedly, Inc. ZBSETUFFQ

32. ©2018 Wantedly, Inc.  എܠ
     ZBSETUFFQ
    ͷ͝঺հ
     ·ͱΊ ࠓ೔࿩͢಺༰

33. ©2018 Wantedly, Inc. ZBSETUFFQ
    ͱ͸ w 3VCZ
    ϓϩάϥϜதͷ
    :"3%
    Ξϊʔςʔγϣϯ ͔Βɺ4UFFQ
    ͷܕఆٛϑΝΠϧΛࣗಈੜ੒
    w 4UFFQ
    ͱ૊Έ߹ΘͤΔࣄͰɺ:"3%
    Ͱ੩తܕݕ ࠪΛ࣮ݱʂ

34. ©2018 Wantedly, Inc. %&.0

35. ©2018 Wantedly, Inc. 3VCZ
    ίʔυΛ༻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

36. ©2018 Wantedly, Inc. ZBSETUFFQ
    ίϚϯυΛ࣮ߦ $ yard2steep lib ZBSETUFFQ
    ͰܕఆٛϑΝΠϧΛੜ੒ # 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

37. ©2018 Wantedly, Inc. TUFFQ
    ͰܕνΣοΫ $ steep check lib ܕݕ͕ࠪ௨Ε͹ɺԿ΋ग़ྗ͞Εͳ͍

38. ©2018 Wantedly, Inc. Ͱ͸ɺܕݕ͕ࣦࠪഊ͢Δέʔε͸Ͳ͏ͩΖ͏ʁ

39. ©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

40. ©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) ZBSETUFFQ
    ͱ
    TUFFQ
    Λ૊Έ߹ΘͤͯܕνΣοΫ ͪΌΜͱɺAOJMA
    νΣοΫ͍ͯ͠ͳ͍ίʔυͰΤϥʔ ͕ग़ͨʂ

41. ©2018 Wantedly, Inc. :"3%
    Ͱ੩తܕݕ͕ࠪग़དྷͯΔʂ

42. ©2018 Wantedly, Inc. ࠷ۙͷΞοϓσʔτ w ϦϦʔεޙϲ݄Ͱ΍ͬͨ͜ͱ
    w BUUS@SFBEFS
    ͳͲɺ3VCZ
    ͷ૊ΈࠐΈͷ
    NFUBQSPHSBNNJOH
    ܥͷػೳΛ
    TVQQPSU
    w 3VCZ
    QBSTFS
    ͷվળ
    

    ࣗલ࣮૷
    
    3JQQFS
    ϕʔε΁Ҡߦ
    w ఆ਺ͷܕ෇͚
    w FUD
    w ΍Γ͍ͨ͜ͱ
    w :"3%
    BOOPUBUJPO
    ͷϦονͳه๏Λαϙʔτ
    w BUSS@XSJUFS
    BUUS@BDDFTTPS
    ͳͲͷ
    TVQQPSU

43. ©2018 Wantedly, Inc.  എܠ
     ZBSETUFFQ
    ͷ͝঺հ
     ·ͱΊ ࠓ೔࿩͢಺༰

44. ©2018 Wantedly, Inc. ·ͱΊ w :"3%
    Ͱ੩తܕݕ͕ࠪͰ͖ΔΑ͏ʹͳͬͨʂ
    
    w 4UFFQ
    ͱ
    ZBSETUFFQ
    Λ૊Έ߹ΘͤΔࣄͰ࣮ݱ
    w BOZ
    ܕ͕͋ΔͷͰɺগͣͭ͠ಋೖ͕Մೳ
    

    w ͜Ε͔Β΋ɺ3VCZ
    Ͱ
    )BQQZ
    )BDLJOH
    ͠Α͏ʂ