The NotImplementedError Problem in Ruby

松江Ruby会議12 (https://matsue.rubyist.net/matrk12)

Transcript

1. 5IF
   /PU*NQMFNFOUFE&SSPS
   1SPCMFN
   JO
   3VCZ LPJD
   
   &4.
   *OD দߐ3VCZձٞ 
   ౔ ౡࠜݝࢦఆ༗ܗจԽࡒ
   ڵӢֳ
2. w044ϓϩάϥϚʔ
   w3VCP$PQίΞνʔϜίϛολʔ
   w.$1
   TUFFSJOH
   HSPVQϝϯόʔ
   wגࣜձࣾӬ࿨γεςϜϚωδϝϯτ
   &4.
   *OD
   ΤϯδχΞϦϯάϚωʔδϟʔ
   
   σΟεςΟϯάΠογϡυɾΤϯδχΞ @koic
3. w 3VCZ8PSME
   $POGFSFODF
   
   
   
   
   
   
   
   ʹ ࢀՃ
   w ͏ͪ͸ҭ੒ɺ͸"*ͷςʔϚͰొஃ
   w দߐ3VCZձٞ
   ॳࢀՃ
   w ਓੜճ໨ͷ3VCZ
   $JUZ
   ."546&
   ͍·͜͜ দߐͱࢲ
5. wਓੜͷঢ়گʹ͋Θͤͨ
   ϥΠϑελΠϧΛଚॏ͢Δ
   wؔ౦ݍɺ෱Ҫɺ࣎լɺژ౎
   ࿨Վࢁɺౡࠜɺٶ࡚͔Βͷ ϦϞʔτϫʔΫ 🗾 ಇ͖ํͷଟ༷Խͱ࠾༻ํ਑ ઈࢍɺશࠃ࠾༻தʂݱ஍ࢀՃϝϯόʔ·Ͱ͓ؾܰʹ͓੠ֻ͚͍ͩ͘͞ʂ
6. Support OSS community
7. 3VCZ
   PO
   5JNFMJOF
8. ࠓ೔ͷ࿩
9. IUUQTNBUTVFSVCZJTUOFUNBUSL λΠϜςʔϒϧΑΓ
10. w ΧϯϑΝϨϯε͕ٻΊ͍ͯΔ΋ͷ͸Կ͔ʁ
    w ৹ࠪһ
    ΦʔΨφΠβʔνʔϜ
    ͸୭͔ʁ
    w Ωʔϊʔτ͸୭͔ʁ ͦ΋ͦ΋ͷ$G1Ԡืετϥςδʔ
11. Ωʔϊʔτ͸୭͔ʁ
13. CVHTSVCZMBOHPSH
14. ղܾͰͳ͘ࠔΓ͝ͱ😅 ࠓ೔͸ΤϨϕʔλϐον
    ඵ
    Y
    ճ෼ͷ࣋ͪ࣌ؒͰɺ࿓ԼձٞͬΆ͍௚ஊ൑͠·͢
15. CVHTSVCZMBOHPSHJTTVFT /FX
    FSSPS
    DMBTT
    /PU*NQMFNFOUFE:FU&SSPS
    PS
    TDPQF
    DIBOHF
    GPS
    /PU*NQMFNFOUFE&SSPS
17. 5IF
    /PU*NQMFNFOUFE&SSPS
    1SPCMFN
18. ࢓༷
19. IUUQTEPDTSVCZMBOHPSHKBMBUFTUDMBTT/PU*NQMFNFOUFE&SSPSIUNM
20. ຊདྷͷ/PU*NQMFNFOUFE&SSPSྫ $ ruby -ve 'Process.fork' jruby 10.0.5.0 (3.4.5) 2026-04-06 5db1ba72f3 Java HotSpot(TM) 64-Bit Server VM 24.0.1+9-30 on 24.0.1+9-30 +indy +jit [arm64-darwin] NotImplementedError: fork is not available on this platform fork at org/jruby/RubyKernel.java:2073 fork at org/jruby/RubyProcess.java:1927 <main> at -e:1 ͜ͷ+3VCZ؀ڥͰ͸1SPDFTTGPSL͕࣮૷͞Εͯ ͍ͳ͍ͨΊɺ/PU*NQMFNFOUFE&SSPS͕ൃੜ͢Δ
21. ݱ࣮
22. ݱ࣮ੈքͷ/PU*NQMFNFOUFE&SSPSྫ IUUQTHJUIVCDPNNPEFMDPOUFYUQSPUPDPMSVCZTELCMPCWMJCNDQUSBOTQPSUSC .$1ͱ͍͏৽ٕज़΁ͷίʔυͰ΋/PU*NQMFNFOUFE&SSPS͕͜͏࢖ΘΕΔ͔
23. 3VCP$PQ΁ͷఏҊ
    3FKFDUFE IUUQTHJUIVCDPNSVCPDPQSVCPDPQJTTVFT
24. ੜ੒"*ʹΑΔ/PU*NQMFNFOUFE&SSPS IUUQTHJUIVCDPN4)(".&-*/,4UFSNGSPOUCMPCWMJCUFSNGSPOUNJTTJPOCBTFSC /PU*NQMFNFOUFE&SSPS͸
    ੜ੒"*ʹΑΔ΋ͷͰ͔͢ ͸͍ɺ͜͜͸ੜ੒"*Ͱͷ ίʔυͷ··Ͱ͢Ͷ ؔέݪ3VCZձٞ޲͚ʹ 3VCZͰ'14Λ࡞Γ·ͨ͠ "*ֶश͕॥؀͢Δ࣌୅ /PU*NQMFNFOUFE&SSPSΛ ޡ༻Ͱֶशͯͦ͠͏೺Ѳ
25. ΦʔόʔϥΠυ࣮૷Λظ଴͢Δ
    ྫ֎༻్΁ͷϫʔΫΞϥ΢ϯυ
26. w ޡղ΍֬৴తͳޡ༻Ͱ/PU*NQMFNFOUFE&SSPSΛ࢖͏
    ؾ࣋ͪ͸Θ͔Βͳ͘ͳ͍
    w /P.FUIPE&SSPSͰ୅༻͢Δ
    FH
    SVCPDPQ
    w τοϓϨϕϧͷΧελϜྫ֎ΫϥεΛ࡞Δ
    ΈΜͳ໋໊ʹ೰Ή
    w "QQ/BNFTQBDF/PU*NQMFNFOUFE&SSPSΛఆٛ͢Δ
    NPEVMF໊લۭؒԼͰ'2/Ͱͳ͍ఆٛ࣌ʹࠞཚͨ͠ ݱ৔Ͱͷࣄྫ
27. མͱ͠ॴ͸ʁ🤔
28. CVHTSVCZMBOHPSHͰͷ
    ݱঢ়ͱࢲݟ
29. طଘͷྫ֎Ϋϥεͷྲྀ༻Ҋ
30. w /PU*NQMFNFOUFE&SSPS ͷҙຯΛ֦େͤ͞Δ
    w ैདྷͷ໾ׂʹՃ͑ɺݱ࣮ ͷϢʔεέʔεʹର͢Δ ৽ͨͳҙຯΛ଍͢ఏҊ Ҋ
    /PU*NQMFNFOUFE&SSPS໾ׂ֦ு ݸਓతʹ͸431ʹ൓͢Δ͠ɺޙड़ͷܧঝؔ܎ͷ؍఺͔Β΋ٙ໰ͩͬͨͱ͜Ζ ͜ͷҊ͸ͳͦ͞͏ IUUQTCVHTSVCZMBOHPSHJTTVFTOPUF
31. w /P.FUIPE&SSPSΛ/PU*NQMFNFOUFE&SSPS ͱͯ͠ѻ͏Α͏ʹ͢Δ
    w μοΫλΠϐϯάʹ͓͚ΔϨγʔόʔͷԠ౴ ͱ࣮૷ͷ༗ແͳͷͰ໾ׂ͕ҧ͏ͷͰ͸
    w ݴޠʹΑͬͯ͸
    ͵ΔΆ
    ͷ໾ׂͷྫ֎໊ Ҋ
    /P.FUIPE&SSPSྲྀ༻ ϝιου͕ଘࡏ͠ͳ͍Θ͚Ͱ͸ͳ͍ͷͰɺ໾ׂ͕ҧ͏ͱࢥ͏͚ΕͲɺͲ͏ͩΖ͏ʁ
32. ઐ༻ྫ֎Ϋϥεͷ৽ઃͱ͍͏Ҋ
    མͱ͠ॴ΁ͷಓ 3VCZ
    ࣌఺ͰΦʔόʔϥΠυ࣮૷༻్ʹ࢖͏૊ΈࠐΈྫ֎Ϋϥε͸ଘࡏ͍ͯ͠ͳ͍
33. ܧঝؔ܎ͱ໋໊ͱ͍͏ͭͷ՝୊
34. ͓͞Β͍
    SFTDVFઅͰͷѻ͍ͱܧঝؔ܎ begin do_something rescue StandardError handle_exception end 4UBOEBSE&SSPSΛলུͯ͠΋ಉٛ 4UBOEBSE&SSPS 4DSJQU&SSPS &YDFQUJPO /P.FUIPE&SSPS /PU*NQMFNFOUFE&SSPS /BNF&SSPS JTB
35. ՝୊
    4UBOEBSE&SSPSܧঝͷྫ֎৽ઃ͸ʁ 4UBOEBSE&SSPS 4DSJQU&SSPS &YDFQUJPO 4UBOEBSE&SSPSܧঝͷ৽ઃྫ֎Ϋϥε ʹҠߦͨ͠ίʔυͰͷϢʔβʔӨڹ
    w طଘίʔυ͕SFTDVFͰ /PU*NQMFNFOUFE&SSPSΛࢦఆͯ͠ ͍Δ৔߹ʹัଊͰ͖ͳ͘ͳΔඇޓ׵
    ِӄੑ
    w SFTDVFͰ4UBOEBSE&SSPSͱ͍ͯ͠Δ ৔߹ʹัଊ͢ΔΑ͏ʹͳΔඇޓ׵
    ຊདྷ4UBOEBSE&SSPSͳΒਅཅੑ
    /PU*NQMFNFOUFE&SSPSͷҙຯͷมߋ ͸ഁյతมߋ͗͢ΔͷͰ͠ͳ͍લఏ ͬ͘͠Γ͘Δ໊લͷ
    ৽ͨͳྫ֎Ϋϥε /PU*NQMFNFOUFE&SSPS ϓϩάϥϛϯάͰͷόάͳͷͰ&YDFQUJPOͰͳ͘4UBOEBSE&SSPSܧঝͩͱࢥ͏ɺͲ͏ʁ ฤू஫
    ͜ͷ೔ͷ2"ίʔφʔͰ4DSJQU&SSPSܧঝͱ͢΂͖ͱ͍͏ճ౴ͱͳΓ·ͨ͠
36. ϢʔβʔͷϚΠάϨʔγϣϯύε 4UBOEBSE&SSPS 4DSJQU&SSPS &YDFQUJPO 4UBOEBSE&SSPSܧঝͷ৽ઃྫ֎Ϋϥε ʹҠߦͨ͠ίʔυͰͷϢʔβʔӨڹ
    w طଘίʔυ͕SFTDVFͰ /PU*NQMFNFOUFE&SSPSΛࢦఆͯ͠ ͍Δ৔߹ʹัଊͰ͖ͳ͘ͳΔඇޓ׵
    ِӄੑ
    w SFTDVFͰ4UBOEBSE&SSPSͱ͍ͯ͠Δ ৔߹ʹัଊ͢ΔΑ͏ʹͳΔඇޓ׵
    ຊདྷ4UBOEBSE&SSPSͳΒਅཅੑ
    /PU*NQMFNFOUFE&SSPSͷҙຯͷมߋ ͸ഁյతมߋ͗͢ΔͷͰ͠ͳ͍લఏ ͬ͘͠Γ͘Δ໊લͷ
    ৽ͨͳྫ֎Ϋϥε /PU*NQMFNFOUFE&SSPS /PU*NQMFNFOUFE&SSPSΛΦʔόʔϥΠυ࣮૷༻్ʹ ࢖͍ͬͯΔϓϩάϥϜͷΈ৽ઃྫ֎Ϋϥεʹஔ͖׵͑ <<migration>> ݱߦ࢓༷Ͱͷ ར༻ͳΒҡ࣋ ฤू஫
    ͜ͷ೔ͷ2"ίʔφʔͰ4UBOEBSE&SSPSͰ͸ͳ͘4DSJQU&SSPSܧঝͱ͢΂͖ͱͷճ౴
37. w /PU*NQMFNFOUFE:FU&SSPS
    2VJOUBTBO
    w 5P#F%F fi OFE&SSPS
    NBU[
    w "CTUSBDU.FUIPE&SSPS
    2VJOUBTBO
    w 4VCDMBTT3FTQPOTJCJMJUZ&SSPS
    /JUIJO ՝୊
    CVHTͰग़͍ͯΔ໋໊Ҋ͕͋Δ͚Ͳ໊લ͸ʁ ύονձͰग़ͨ+BWBͷ6OTVQQPSUFE0QFSBUJPO&YDFQUJPO໋໊૬౰Ҋ΋Ͱ͚ͨΕͲ 3VCZ͸3VCZͳͷͰ෼͔Γқ͍ ฤू஫
    ͜ͷൃදޙͷ2"ίʔφʔͰ4VCDMBTT3FTQPOTJCJMJUZ͔"CTUSBDU.FUIPE&SSPS͕༗ྗےͱͷճ౴
38. 3VCZ
    ·Ͱͷ৽ػೳͱͳΔ
    Մೳੑ͸ʁ
39. ͕࣌ؒ͋Ε͹ฉ͍ͯΈ͍ͨ
40. ͖ͭͮ͸ʮࠤ߳΍ʯͰ IUUQTYDPNUBHPNPSJTTUBUVTQIPUP 1IPUP
    CZ
    !UBHPNPSJT ࠙ ձ ਌