初めてのKotlinコントリビュート

Transcript

1. $POOFIJUP*OD
   ϚϚͷҰาΛࢧ͑Δ
   ॳΊͯͷ,PUMJOίϯτϦϏϡʔτ
   

   View Slide

2. ࣗݾ঺հ
   ෋ా݈ೋ
   !UPNNZLX
   !UPNNZLX
   ίωώτגࣜձࣾ"OESPJE&OHJOFFS
   

   View Slide

3. ,POUSJCVUF͠·ͨ͠
   ࡢ೥݄ʹॳΊͯ,POUSJCVUF͠·ͨ͠ʂʂ
   

   View Slide

4. ,POUSJCVUF͠·ͨ͠
   ॳ,POUSJCVUFͨ͠ࢫͷϒϩάॻ͖·ͨ͠ʂ
   IUUQUFDIDPOOFIJUPDPNFOUSZ
   

   View Slide

5. ,POUSJCVUF͠·ͨ͠
   ͍͔ͭ͘,POUSJCVUF͍ͯ͠·͢ʂ
   

   View Slide

6. ,POUSJCVUFखॱ
   

   ,POUSJCVUFखॱΛ͓࿩͍͚ͨ͠͠Ͳɺ΄΅
   TIJSBKJ͞Μͷʮ)PXUP,POUSJCVUFʯͱඃͬ
   ͍ͯΔʂʂ
   

   View Slide

7. TIJSBKJ͞Μͷ,POUSJCVUFखॱ
   IUUQTQIPUPTHPPHMFDPNTIBSF
   "'2JQ.&J5[2CK'YG[RQ'O,0LX,6-YUU6Z,9S
   KR(QM:&)0$JDO3/3#VPYX/DX
   LFZ-8E;/'3IEY3K3+D8Q:CT[/6I7N6B637
   E'+O
   

   View Slide

8. ͓࿩͍ͨ͜͠͠ͱ
   ๻͚ͩͷ৘ใΛఏڙͨ͠ํ͕Ձ஋͕͋Γͦ͏
   

   View Slide

9. ͓࿩͍ͨ͜͠͠ͱ
   ͱ͍͏͜ͱͰࠓճͷ͓࿩͠ʂ
   

   View Slide

10. w αϯϓϧίʔυͷ,POUSJCVUF
    w ,POUSJCVUF͢ΔͨΊͷܧଓతͳ؀ڥ࡞Γ
    ΞδΣϯμ
    w ,POUSJCVUFͰײͨ͡ϋʔυϧϋϚΔͱ͜Ζ
    

    View Slide

11. ؀ڥߏங͸ׂѪ
    ؀ڥߏங͸ׂѪ͍͖ͤͯͨͩ͞·͢ʂ
    TIJSBKJ͞Μͷʮ)PXUP,POUSJCVUFʯΛ֬͝ೝԼ͍͞ʂ
    

    View Slide

12. w αϯϓϧίʔυͷ,POUSJCVUF
    w ,POUSJCVUF͢ΔͨΊͷܧଓతͳ؀ڥ࡞Γ
    ΞδΣϯμ
    w ,POUSJCVUFͰײͨ͡ϋʔυϧϋϚΔͱ͜Ζ
    

    View Slide

13. ,POUSJCVUFͰ͖ͳ͔ͬͨ
    ౰ॳ͸,POUSJCVUF͢Δͧʂͱ࢝Ί͍ͯͨͷͰ͕͢ɺ
    ͳ͔ͳ͔,POUJSVCVUFͰ͖ͳ͍ʜ
    

    View Slide

14. w "OESPJE4UVEJPͰ͸ͳ͘ɺ*OUFMMJ+*%&"Λ࢖
    ͏ ͜Ε͸ϋʔυϧͱ͍͏ఔͰ΋ͳ͍͸ͣ
    
    w ͦ΋ͦ΋ݴޠʹίϯτϦϏϡʔτͰϏϏΔ
    w ,PUMJO*%&1MVHJO։ൃͩͱ"OESPJE։ൃͱͷ
    ؔ܎ੑ͕ബͪ͘ΐͬͱڵຯ͕ബΕΔ͔΋ʁ
    w ۀ຿ͱ௚઀ؔΘΓ͕͋Δ༁Ͱ͸ͳ͍ͷͰۀ຿࣌
    ؒʹ΍Δ͜ͱ͕Ͱ͖ͳ͍
    ϋʔυϧʁʁ
    ,POUSJCVUFͰײͨ͡ϋʔυϧʁʁ
    

    View Slide

15. ϋϚΔͱ͜Ζ
    ͦΕʹՃ͑ͯϋϚͬͨͱ͜Ζ͕͋ͬͨ
    

    View Slide

16. w ࣝऀͷํʑ͕*TTVFΛͲΜͲΜରԠ͍ͯ͘͠
    w ରԠͰ͖ͦ͏ͳ*TTVF͕ͳ͍
    ϋϚΔͱ͜Ζ
    ,POUSJCVUFͷϋϚΔͱ͜Ζ
    w *TTVFʹΑͬͯ͸ϨϏϡʔͯ͠΋Β͏·Ͱʹ࣌
    ֻ͕͔ؒΔ
    

    View Slide

17. ϋϚΔͱ͜Ζ
    ൺֱతऔΓ૊Έ΍͍͢*TTVF͕ͳ͍͔ͳʜ
    

    View Slide

18. αϯϓϧίʔυͷ,POUSJCVUF
    ඪ४ϥΠϒϥϦͷαϯϓϧίʔυఏڙʂ
    

    View Slide

19. w αϯϓϧίʔυͷ,POUSJCVUF
    w ,POUSJCVUF͢ΔͨΊͷܧଓతͳ؀ڥ࡞Γ
    ΞδΣϯμ
    w ,POUSJCVUFͰײͨ͡ϋʔυϧϋϚΔͱ͜Ζ
    

    View Slide

20. αϯϓϧίʔυͷ,POUSJCVUF
    αϯϓϧίʔυ
    w αϯϓϧίʔυ΋ཱ೿ͳ,POUSJCVUFʂ
    w 3FBE.F΋͋Δʂ

    w IUUQTHJUIVCDPN+FU#SBJOTLPUMJOCMPC
    NBTUFSMJCSBSJFTTUEMJCTBNQMFT3FBE.FNE
    w ඪ४ϥΠϒϥϦͷαϯϓϧίʔυఏڙ
    

    View Slide

21. αϯϓϧίʔυͷ,POUSJCVUF
    αϯϓϧίʔυΛఏڙ͢Δࡍʹར
    ༻͢ΔΞαʔγϣϯ͕͋Δ
    

    View Slide

22. αϯϓϧίʔυͷ,POUSJCVUF
    αϯϓϧίʔυͷΞαʔγϣϯ
    w BTTFSU1SJOUT
    w BTTFSU5SVFBTTFSU'BMTF
    w BTTFSU'BJMTBTTFSU'BJMT8JUI
    

    View Slide

23. αϯϓϧίʔυͷ,POUSJCVUF
    αϯϓϧίʔυͷ13Λ͍͔ͭ͘౤͛ͯΈ·ͨ͠ʂ
    

    View Slide

24. αϯϓϧίʔυͷ,POUSJCVUF
    MJCSBSJFTTUEMJCTBNQMFTUFTUTBNQMFTDPMMFDUJPOTJUFSBCMFTLU
    MJCSBSJFTTUEMJCTSDLPUMJODPMMFDUJPOT*UFSBCMFTLU
    

    View Slide

25. αϯϓϧίʔυͷ,POUSJCVUF
    MJCSBSJFTTUEMJCTBNQMFTUFTUTBNQMFTDPMMFDUJPOTSFWFSTFE7JFXTLU
    MJCSBSJFTTUEMJCTSDLPUMJODPMMFDUJPOT3FWFSTFE7JFXTLU
    

    View Slide

26. αϯϓϧίʔυͷ,POUSJCVUF
    MJCSBSJFTTUEMJCTBNQMFTUFTUTBNQMFTSBOHFTSBOHFTLU
    MJCSBSJFTTUEMJCTSDLPUMJOSBOHFT3BOHFTLU
    

    View Slide

27. αϯϓϧίʔυͷ,POUSJCVUF
    MJCSBSJFTTUEMJCTBNQMFTUFTUTBNQMFTDPMMFDUJPOTJUFSBUPSTLU
    MJCSBSJFTTUEMJCTSDLPUMJODPMMFDUJPOT*UFSBUPSTLU
    

    View Slide

28. αϯϓϧίʔυͷ,POUSJCVUF
    MJCSBSJFTTUEMJCTBNQMFTUFTUTBNQMFTDPMMFDUJPOTJUFSBUPSTLU
    MJCSBSJFTTUEMJCTSDLPUMJODPMMFDUJPOT*UFSBUPSTLU
    ඞͣ͠΋ΞαʔγϣϯΛ࢖Θͳ͘
    ͯ΋0,ʂ͜͜͸QSJOUMO
    
    

    View Slide

29. αϯϓϧίʔυͷ,POUSJCVUF
    αϯϓϧίʔυ͸ެࣜαΠτͰ΋Ӿཡɺ࣮ߦͰ͖Δʂ
    

    View Slide

30. αϯϓϧίʔυͷ,POUSJCVUF
    IUUQTLPUMJOMBOHPSHBQJMBUFTUKWNTUEMJC
    LPUMJODPMMFDUJPOTGMBUUFOIUNM
    

    View Slide

31. αϯϓϧίʔυͷ,POUSJCVUF
    IUUQTLPUMJOMBOHPSHBQJMBUFTUKWNTUEMJC
    LPUMJODPMMFDUJPOTBTSFWFSTFEIUNM
    

    View Slide

32. αϯϓϧίʔυͷ,POUSJCVUF
    IUUQTLPUMJOMBOHPSHBQJMBUFTUKWNTUEMJC
    LPUMJOSBOHFTSBOHFUPIUNM
    

    View Slide

33. αϯϓϧίʔυͷ,POUSJCVUF
    IUUQTLPUMJOMBOHPSHBQJMBUFTUKWNTUEMJC
    LPUMJODPMMFDUJPOTXJUIJOEFYIUNM
    

    View Slide

34. αϯϓϧίʔυͷ,POUSJCVUF
    ൺֱతૣ͘ϨϏϡʔͯ͠΋Β͑Δʂ͜ΕͰ͔͍ʂ
    

    View Slide

35. αϯϓϧίʔυͷ,POUSJCVUF
    ,PUMJO*%&1MVHJOܥ*TTVFͩͱ͋·Γ׳Εͯ
    ͍ͳ͍͚ͲɺαϯϓϧίʔυͳΒ΍Γ΍͍͢ʂ
    

    View Slide

36. αϯϓϧίʔυͷ,POUSJCVUF
    %SPJE,BJHJͷ݁ՌΛड͚ͯ:PV5SBDLͰૣ଎ʂʂʂ
    

    View Slide

37. αϯϓϧίʔυͷ,POUSJCVUF
    αϯϓϧ͸೉͘͠ͳͦ͞͏ͩʂ͜ΕͳΒ
    Ͱ͖ͦ͏͚ͩͲʜͳ͔ͳ͔΍ΔλΠϛ
    ϯά͕ݟ͔ͭΒͳ͍
    

    View Slide

38. w αϯϓϧίʔυͷ,POUSJCVUF
    w ,POUSJCVUF͢ΔͨΊͷܧଓతͳ؀ڥ࡞Γ
    ΞδΣϯμ
    w ,POUSJCVUFͰײͨ͡ϋʔυϧϋϚΔͱ͜Ζ
    

    View Slide

39. ܧଓతͳ؀ڥ࡞Γ
    αϯϓϧίʔυ͸؆୯ͦ͏͚ͩͲɺͳ͔ͳ
    ͔Ұา౿Έग़ͤͳͯ͘ணखͰ͖ͳ͍ʂ
    

    View Slide

40. w ձࣾͷݸਓ໨ඪʹ͋͛Δ
    w ձࣾͷϝϯόʔʹप஌͢Δ
    w ձࣾͰษڧ͢ΔͨΊͷ؀ڥΛ࡞Δ
    Ұา౿Έग़͢
    Ұา౿Έग़ͯ͠ΈΔ
    

    View Slide

41. ձࣾͷݸਓ໨ඪʹ͋͛Δ
    ๻͸ʮࡢ೥݄·Ͱʹ13Ϛʔδ͞ΕΔʂʯ

    ͱ͍͏ͷΛձࣾͷݸਓ໨ඪʹܝ͍͛ͯͨʂ
    

    View Slide

42. ձࣾͷݸਓ໨ඪʹ͋͛Δ
    ݁Ռ͸μϝ͚ͩͬͨͲɺ

    $50͕ϝϯλϦϯάͯ͘͠Εͨʂ
    

    View Slide

43. ձࣾͷϝϯόʔʹप஌͢Δ
    ٕज़͕Θ͔Βͳͯ͘΋αϙʔτͰ͖Δʂ
    ͜Μͳͷ͋ΔΑʂͱڭ͑ͯ΋Βͬͨʂ
    

    View Slide

44. ձࣾͰษڧ͢ΔͨΊͷ؀ڥΛ࡞Δ
    ࣾ಺΋͘΋͘ձΛिճ։࠵͍ͯ͠Δʂ
    

    View Slide

45. w TIJSBKJ͞ΜͷϞνϕʔγϣϯ
    w ๻ͷϞνϕʔγϣϯ
    Ϟνϕʔγϣϯ
    ,POUSJCVUF΁ͷϞνϕʔγϣϯ
    

    View Slide

46. w ,PUMJO͕େ޷͖ʂ
    w ࣗ෼ͷ࣮૷ͨ͠,PUMJO*%&1MVHJOػೳΛྡͰ୭
    ͔͕࢖ͬͯ͘Ε͍ͯΔͱΊͬͪΌخ͍͠ʂʂ
    Ϟνϕʔγϣϯ
    TIJSBKJ͞ΜͷϞνϕʔγϣϯ
    

    View Slide

47. w ,PUMJO޷͖ʂ
    Ϟνϕʔγϣϯ
    ๻ͷϞνϕʔγϣϯ
    w (JU)VCͷ$POUSJCVUPSTʹ໊લ͕ࡌΔ
    w ,PUMJO#MPHʹ໊લ͕ࡌΔ
    

    View Slide

48. Ϟνϕʔγϣϯ
    ,PUMJO#MPHʹ๻ͷ໊લ͕ʜʂʁ
    

    View Slide

49. Ϟνϕʔγϣϯ
    ,PUMJO#MPHʹ๻ͷ໊લ͕ʜʂʁ
    ࣍ظόʔδϣϯͰ΋໊લ͕ࡌΓͦ͏ʜʂ
    

    View Slide

50. Ϟνϕʔγϣϯ
    ,POUSJCVUPSTʹ๻͕ʜʂʁ
    

    View Slide

51. Ϟνϕʔγϣϯ
    ,PUMJOͷϦϙδτϦʹ͸ػೳ͕͍ͬͺ͍٧·͍ͬͯΔʂ
    

    View Slide

52. Ϟνϕʔγϣϯ
    خ͍͜͠ͱʹ
    TIJSBKJ͞Μ͔ΒKLɺLBQUʹ,POUSJCVUF
    ͯ͠ΈͯʔʂͱԹ͔͍͓ݴ༿Λ͍ͨͩ͘ʂ
    

    View Slide

53. ·ͱΊ
    ·ͱΊ
    

    View Slide

54. w KLɺLBQUͳͲ͞Βʹ΍ͬͯΈ͍ͨͱ͍͏෼໺
    ͕૿͑Δ͔΋ʂ
    w ͨͩܧଓతͳ,POUSJCVUFͷͨΊͷ࢓૊ΈԽ͕
    ͋ͬͨํ͕ྑ͍͔΋ʂ
    ·ͱΊ
    w ,PUMJO͕޷͖ɺߩݙ͍ͨ͠ͱ͍͏ؾ͕࣋ͪ͋Ε
    ͹τϥΠʂͯ͠ΈΔՁ஋͸͋Γ·͢ʂ
    

    View Slide

55. ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ
    ͓͠·͍
    

    View Slide