Carving the Way to Ruby Engineering

RubyWorld Conference 2024 (https://2024.rubyworld-conf.org/ja/)

Transcript

1. 3VCZϓϩάϥϛϯάεΫʔϧ
   ͔Βͷ࠾༻ͱҭ੒ Carving the Way to Ruby Engineering ҏ౻
   ߒҰ
   
   &4.
   *OD 3VCZ8PSME
   $POGFSFODF
    
   ໦ ౡࠜݝཱ࢈ۀަྲྀձؗʮ͘ʹͼ͖ϝοηʯ
2. @koic w044ϓϩάϥϚʔ
   w3VCP$PQίΞνʔϜίϛολʔ
   wגࣜձࣾӬ࿨γεςϜϚωδϝϯτ
   &4.
   *OD
   ΤϯδχΞϦϯάϚωʔδϟʔ
   
   σΟεςΟϯάΠογϡυɾΤϯδχΞ
4. ࠾༻ͱಇ͖ํͷଟ༷Խ wਓੜͷঢ়گʹ͋Θͤͨ
   ϥΠϑελΠϧΛଚॏ͢Δ
   wؔ౦ݍɺ෱Ҫɺ࣎լɺ
   ࿨Վࢁɺౡࠜɺٶ࡚͔Βͷ ϦϞʔτϫʔΫ 🗾
5. w த్
   *5اۀ͔Β
   
   
   w த్
   εΫʔϧܦ༝
   
   
   w ৽ଔ
   
   
   w ໿͕εΫʔϧग़਎ऀ
   w εΫʔϧ͔Βݩܯ࡯׭ɺ्ҩɺڭࢣͳͲଟ༷ ࢲͨͪͷ૊৫΁ͷೖࣾܦ࿏   
6. ࠓ೔ͷ࿩
7. ☝ 3VCZ͕ଟ༷ͳݱ࣮ੈք΁ͷద߹ͱਁಁ͍ͯͨ͘͠Ίͷ׆ಈঢ়گΛ͖࣋ͬͯ·ͨ͠ IUUQTSVCZXPSMEDPOGPSHKBBCPVU
8. εΫʔϧ͔Βͷ࠾༻ͱҭ੒Ϟσϧ 5SBJOJOH (SBEVBUJOH "QQSFOUJDJOH $BUBMZ[JOH 1SF&OHJOFFS 5SBOTJUJPOBM
   $IBOHF
   PS
   /PU (3085)
   1SBHNBUJD
   4LJMMT (3085)
   3VCZ
   'VOEBNFOUBMT (FUUJOH
   4UBSUFE School-to-Work Model *OTQJSFE
   CZ
   IUUQTXXXNBSUJOGPXMFSDPNBSUJDMFTBHJMF'MVFODZIUNM
9. ಛఆͷεΫʔϧʹدΒͳ͍࿩ʁ 3VCZ
   CJ[
   (SBOE
   QSJY
   
   ΫϦΤΠςΟϒ৆ͷड৆͓ΊͰͱ͏͍͟͝·͢ʂ
10.  ϑϥΫλϧίϛϡχςΟ
     ࠾༻ͱ͍͏໊ͷ௨աӺ
     ҭ੒͸؀ڥͮ͘Γ ໨࣍
11.  ϑϥΫλϧίϛϡχςΟ
12. w 3VCZJTUʹ͸Ұछͷຽ଒తͳՁ஋؍΍श׳͕ ͋ΔԾઆ
    w ϓϩάϥϛϯάݴޠΛֶͿ͚ͩͰ͸ͳ͘ɺ
    ϓϩάϥϛϯάݴޠΛ࢖ͬͯΔίϛϡχςΟ Ͱͷઃܭͷྑ͠ѱ͠΁ͷՁ஋؍΍ৼΔ෣͍ํ Λ஌͍ͬͯ͘ ݴޠίϛϡχςΟΛ஌Δ
13. w զʑ3VCZJTU͸ɺ3VCZͱ͍͏ݴޠͱ3BJMTͱ ͍͏%4-Λ฼ࠃޠͱͨ͠ର࿩Λߦ͏
    w 3VCZ΍3BJMTΒ͍͠
    ΋͘͠͸Β͘͠ͳ͍
    ίʔυͷڞ௨ೝ͕ࣝͲ͏΋3VCZJTUʹ͸͋Δ
    w ʮݴޠ͸ࢥߟΛنఆ͢ΔʯαϐΞʹ΢Υʔϑ ͷԾઆɺ͋Δ͍͸ʮόϕϧʯ ฼ࠃޠͷډ৺஍ͷྑ͞
14. 7MBEJNJS
    %FNFOUZFW
    TBZT 0QFOJOH
    ,FZOPUF
    PG
    ,BJHJ
    PO
    3BJMT
    
15. w ίʔυϦʔσΟϯά͸࡞ऀ͕఻͍͑ͨ͜ͱΛ ίʔυ͔ΒಡΈऔͬͯߟ͑Δ࡞ۀ
    w ݹయจֶ΍๏཯ͷઐ໳ՈͷΑ͏ʹɺ3VCZJTU ͸3VCZͱ3BJMTͷղऍΛॏͶ͍ͯ͘
    w ౰ॳ෼͔Βͳ͔ͬͨ3VCZ3BJMTઐ໳Ոಉ࢜ͷ ٞ࿦͕ঃʑʹΘ͔ΔΑ͏ʹͳͬͯ͘Δ ࡞ऀͷؾ࣋ͪΛߟ͑ ଓ͚ Α
16. εΫʔϧͱ͍͏ίϛϡχςΟͷೖΓޱ 3BJMTʹ΋ͨΒ͞Εͨ ʮઃఆΑΓن໿ʯ ͸ɺεΫʔϧं͔྆ Βاۀं྆ؒ΁ͷ
    ৐ंํ๏ͷલఏͷ෯ Λ޿͍͛ͯΔʁ IUUQTKQRVPSBDPN3VCZʹͱܾͬͯఆతʹ଍Γͳ͍΋ͷ͸Կͩͱࢥ͍·͔͢
17. εΫʔϧ͸
    اۀʹଓ͘໳
18. w Կेਓن໛Ͱ࠾༻Ͱ͖ΔେاۀͰͳ͍Զͨͪ
    w ϓϩάϥϛϯάະܦݧऀΛूஂڭࣨࢦಋ͢Δ ઐ໳ՈͰ͸ͳ͘ɺεΫʔϧͱ͍͏ઐ໳ۀऀ΁
    w 3VCZεΫʔϧʹ͓͚Δ3VCZίϛϡχςΟͷ ܗ੒͸ɺΦʔϓϯͳ3VCZίϛϡχςΟͱ஍ܨ ͕ΓͰ͋Γɺಉ͡ࢹ఺ͷ஥ؒͷू·Γ͸ॏཁ ࠾༻ͱ͍͏௨աӺ·Ͱͷҭ੒
19. w 3VCZΛओྗʹ࠾༻͍ͯ͠Δاۀ͸ɺ3VCZͬ Ά͍ਓͨͪͰߏ੒͞Εͯ͘Δʁ
    w ҰํͰɺ૊৫ʹΑͬͯՁ஋؍΍େ੾ʹ͍ͯ͠ Δ΋ͷʹର͢ΔΧϥʔ͕͋Δ
    w ૊৫ಛੑ΁ͷϚονϯάͰߟ͑ͯΈΔ ͓ޓ͍ʹͲΜͳਓ ͨͪ ͱ࢓ࣄΛ͍ͨ͠ʁ ద ߹ ੑ ॏ ཁ
20. ͲΜͳਓ͕ͨͪ
    จԽΛ࡞ͬͯ ͍Δ૊৫ʹ ࢀՃ͍ͨ͠ʁ ࠾༻ଆ͸จԽΛൃ৴ͯ͠ɺԠืଆ͸ࣗ෼ʹ͍͋ͦ͏ͳจԽΛ୳ͤΔͱྑ͍ͷ͔ͳ
21. w 3VCZ
    JT
    "HJMF
    CZ
    .BU[
    
    w ֯୩͞Μ͕ฐࣾӡӦΠϕϯτͰاըͨ͠ओ୊ 3VCZJTUΛड͚ೖΕΔاۀจԽΛৢ͢ IUUQTPCKFDUDMVCKQFWFOUDISJTUNBTTDIFEVMF
23. ૊৫จԽ ίϛϡχςΟ
    ͱͷϚονϯά΁ͷߟ࡯ ब৬͸Ԡืऀͱ࠾༻اۀͷϚονϯάͰɺ૊৫ΛίϛϡχςΟͱͯ͠ଊ͑ͯΈΔ
24. ͲΜͳਓͨͪͱಇ͖͍ͨʁ
    ͋Δ͍͸
    ͲΜͳਓΛड͚ೖΕ͍ͨʁ
25. w ৴པͰ͖Δਓ͔Βͷڑ཭
    w ৴པͰ͖Δਓ͕৴པͰ͖Δͱݴ͍ͬͯΔਓ
    w ϦϑΝϨϯενΣοΫ͸ͻͱͭͷखஈͳ͕Β ৴པͰ͖Δے͔Βͷ৘ใ͕Ұ൪ͷ৴པݩ ࠾༻Λതଧʹ͠ͳ͍EFHSFF
    O ͭ·ΓίϛϡχςΟͰͷϨϐϡςʔγϣϯ͸ͱͯ΋ॏཁ
26. w ɹʮொా઎͍ʯͱ͍͏ίϛϡχςΟదੑ਍அ
    w اۀͱੜెͦΕͧΕΛ஌͍ͬͯΔͷͰɺ૬ੑ Λߟ͑Δ͜ͱ͕Ͱ͖Δ
    w εΫʔϧίϛϡχςΟͰɺਓͱاۀͷίϛϡ χςΟจԽΛ஌Δ஁࿉͕͞Ε͍ͯΔͷͰ͸ʁ ίϛϡχςΟ͔ΒίϛϡχςΟ΁ 3VCZίϛϡχςΟ͸ʮ࿡࣍ͷִͨΓʯͳΒ͵.BU[ͱࡾ࣍ͷִͨΓͰܨ͕Γͦ͏
27. IUUQBHJMFFTNDPKQEPDTCVTJOFTT@QMBO@FTN@BHJMF@EJW@UIQEG ੜଶܥʹͱͬͯεΫʔϧίϛϡχςΟͷॏཁੑ޲্ 3VCZίϛϡχςΟ͸ʮ࿡࣍ͷִͨΓʯͳΒ͵.BU[ͱࡾ࣍ͷִͨΓͰܨ͕Γͦ͏ ໳ͱͳΔ 3VCZίϛϡχςΟ
28.  ࠾༻ͱ͍͏໊ͷ௨աӺ
29. w ࠾༻ޙ΋ϦϞʔτϫʔΫͷͨΊɺ࠾༻໘઀΋ ϦϞʔτͷίϛϡχέʔγϣϯͰߦ͍ͬͯΔ
    w ͦͷ໘઀ͷ৔ͷઌͷɺݱ৔ϝϯόʔͱͷ࢓ࣄ Λݟӽͨ͠ࢹ఺Ͱߦ͍ͬͯΔ ࠾༻ٕज़໘઀
30. w γϣʔτΞϯαʔͱͯ͠͸ͦ͏Ͱ΋ͳ͍
    w ΋ͪΖΜ໰୊Λղ͚Δʹӽͨ͜͠ͱ͸ͳ͍ ͕ɺ໰୊Λ௨ͯ͠ίϛϡχέʔγϣϯ໘ͷ
    ؍࡯Λॏࢹ͍ͯ͠Δ
    w ٕज़తͳ෦෼͸ॏཁ͕ͩɺ͍·͍Δಉ྅ͨͪ ͱ΍͍͚ͬͯͦ͏͔͕΋ͬͱॏཁ ໰୊͕ղ͚ͳ͚Ε͹/( 🧐
31. ٕज़໘઀Ͱ $PQJMPU͸0,
32. w γϣʔτΞϯαʔͱͯ͠͸໰୊ͳ͍
    w ͳͥͳΒίʔυิ׬͢Δͷ͸/(Ͱ͸ͳ͍ͷ ͱಉ͡Ͱɺ༏लͳίʔυิ׬ͱࢥ͑͹ྑ͍
    w Ή͠Ζ৽͍࣌͠୅ͷΤϯδχΞͷൃ૝ྗͰ"* ΛͲ͜·Ͱ׆༻Ͱ͖Δ͔͸ڵຯ͕͋Δ ৽͍࣌͠୅ͷߟ͑ํʹ͋ΘͤΔ ·ͣ͸ࣗ෼ͷதʹߟ͑Λݟ͚ͭΔ࢟੎͕͋Δ͔ɻ"*͸ͦ͜΁ͷরձͱݟ͍ͯΔɻ
33. w ࣗ෼͋Δ͍͸"*Ͱॻ͍͍ͯΔίʔυʹର͠ ͯɺΤϥʔ͕ى͖ͨ࣌ͷσόοά
    w ϝιου΍ม਺΁ͷΑΓྑ໊͍લ෇͚
    w ෼͔Βͳ͍͜ͱΛݴޠԽͯ͠఻͑ΒΕΔٕज़
    w ໰୊ʹର͢Δཁ݅ͷ࿙Ε΁ͷࢦఠ େࣄͳͷ͸"*͔Βઌͷ͜ͱ
34. ࣗΒͷٕज़ʹؔ৺Λ࣋ͭ͜ͱ
    ͋ͳͨͷ࢓ࣄʹ͍ͭͯߟ͑Δ͜ͱʂ ܅͸ֶͿ͜ͱ͕৺͔Β޷͖ͩ
    ܅͸ιϑτ΢ΣΞͷ͜ͱΛେ੾ʹࢥ͍ͬͯΔ ΞδϟΠϧαϜϥΠ +POBUIBO
    3BTNVTTPO ୡਓϓϩάϥϚʔ %BWJE
    5IPNBT
    "OESFX
    )VOU ιϑτ΢ΣΞ։ൃ޷͖Ͱ͔͢ʁ
35.  ҭ੒͸؀ڥͮ͘Γ
36. KPLFS΍UBHPNPSJTϨϕϧͷ
    ੌ࿹Λ࠾༻͢Δͷ͸೉͍͕͠ɺ࣍୅Λ
    ୲͏ੌ࿹ʹ੒௕͍͚ͯ͠Δ؀ڥΛ੔͑Δ ౒ྗ͸Ͱ͖Δ͸ͣ
37. εΩϧ͸਎ʹ͚͍͚ͭͯ͹ྑ͍
    ֶΜͰ͍࢟͘੎΍ਓؒੑ͕େࣄ ͍·͋ΔεΩϧΑΓ΋࢟੎ !DPMPSCPY
    TBZT
38. w ͻͱΓͻͱΓʹ޲͔͍߹ͬͨ৘ใ͕େࣄ
    w ຊਓͷݴ༿Λಘ͍ͯͳ͍૝૾͸౎߹ͷྑ͍ ظ଴͕ڧ͘ɺͦΕ͸ԟʑʹͯ͠ϋζϨ͏Δ ϨϕϧΞοϓ͢Δͷ͸ΤϯδχΞຊਓ
39. w ΤϯδχΞجૅٕज़शಘࢧԉ
    w ϝϯλʔ੍౓
    w ࣾ಺ಡॻձɺษڧձɺݚڀ෦
    w ϦϞʔτϫʔΫ։ൃ੔උิॿ
    w ೔ใจԽ ࣄۀͰߦ͑Δͷ͸؀ڥͮ͘Γ ͜ΕΒ͸ࢪࡦͷ͏ͪελʔλʔΩοτͬΆ͍΋ͷͰ͢
40. w ೖ͖ࣾͯͨ͠ϝϯόʔͷഎܠ͸·ͪ·ͪ
    w ৬ۀ͕ҧ͏͕લ৬Ͱ-JOVYͷݚम͕͋Δͳ ͲɺεΫʔϧҎલ͔ΒͷೃછΈͷ༗ແ
    w ೔ใ΍POͳͲ͔Βۀ຿਱ߦʹෆ଍ͯ͠ ͍ΔͱࢥΘΕΔ஌ࣝεϙοτΛߟ͍͑ͯ͘ ΤϯδχΞجૅٕज़शಘࢧԉ ౰વɺ஌͍ͬͯΔ͜ͱͱͰ͖Δ͜ͱ͸ҟͳΔ͕ɺ஌Βͳ͍໰୊͸஌ࣝͰղܾͰ͖Δ
41. w ࢿ֨ࢼݧ͸஌ࣝͷମܥతशಘʹΑ͘Ͱ͖͍ͯΔ
    3VCZೝఆٕज़ऀ
    ৘ใٕज़ऀࢼݧ
    -JOV$ͳͲ
    w ࢿ֨औಘ͸໨తͰ͸ͳ͘ɺۀ຿਱ߦʹඞཁͳ
    ஌ࣝΛମܥతʹ֫ಘ͢Δͷ͕໨త
    w ࢿ֨औಘ͸෭࡞༻͕ͩɺࢿ֨ࢼݧʹ߹࣮֨͠੷ ղআ͢Ε͹خ͍͠ͷ͕ਓ৘ ໨ඪ͸ਓؒͷϞνϕʔγϣϯʹͳΔ
42. w ݱ৔ͷ֎͔Βͩͱந৅తͳҰൠղͷఏҊ͸
    ҰൠղͷҬΛ௒͑ͮΒ͍ʁ
    w ॏཁͳͷ͸࣮։ൃݱ৔ʹ͓͚ΔίϯςΩετ Ͱ౰ਓͷ໰୊Λ೺ѲͰ͖ΔཱͪҐஔͷਓɻ
    ͦͷͨΊʹ͸ɺݱ৔ͷਓ͕ݟΔͷ͕΋ͬͱ΋ ֬౓͕ߴ͍ ϝϯλʔ໾͸ಛघղͷ೺Ѳ͕ॏཁ
43. ౎ࢢ͸πϦʔͰ͸ͳ͍ IUUQTXXXBNB[PODPKQEQ9
44. πϦʔߏ଄ ηϛϥςΟεߏ଄ ϝϯςΟʔʹԠͯ͡ɺଟ໘తʹݟΕΔΑ͏POମ੍ΛಈతʹऔΕΔΏͱΓॏཁ ϨϙʔτϥΠϯͷPOͷΈͩͱ
    ϥΠϯͷ৘ใ͕શͯʹͳͬͯ͠·͏ ඞཁͳϖΞͰͷPOͷػձΛ૿΍͠ ͲͷΑ͏ͳαϙʔτ͕Ͱ͖Δ͔ݕ౼Մ ҭ੒POϞσϧ΋πϦʔͰ͸ͳ͍
45. w ަྲྀͷೱ୶Ͱ͍͏ͱɺಉ͡ϓϩδΣΫτͷϝ ϯόʔͱͷަྲྀ͕ѹ౗తʹೱ͘ͳΓ͕ͪ
    
    ͦΕ͸ͦ͏
    w ϓϩδΣΫτΛԣஅͨ͠ަྲྀػձ͸͋Δఔ౓ ҙਤతʹ࡞Βͳ͍ͱɺಛʹ৽نࢀըͷ
    ϝϯόʔ͸઀఺Λ࡞ΔϙΠϯτΛಘͮΒ͍ ࣾ಺ಡॻձɺษڧձɺݚڀ෦
47. w ΍ͬͯΈ͍ͨ࢓ࣄ಺༰΍ٕज़ͷࢦ޲ੑͳͲΛ ฉ͍ͯͲΜͳํ޲ʹϨϕϧΞοϓ͍͖ͯͨ͠ ͍͔Λ۷Γग़͍ͯ͘͠
    w ͍·ͷϓϩδΣΫτΛΑΓྑ͘͢ΔΞϓϩʔ ν΍ɺϚον͢ΔผϓϩδΣΫτ΁ͷҾӽ͠ ͳͲɺθωϥϧϚωʔδϟʔͱϓϩδΣΫτ ϚοϓͰݕ౼͢Δ 8JUIPVU
    1SBDUJDF
    /P
    &NFSHFODF मͤ͟Ε͹ݱΘΕͣ
48. ೔ใ ೔ใ͸ൺֱతܗ͔Β࢝ΊΒΕΔ ;Γ͔͑Γ ேձɾ༦ձ $* ϦϑΝΫλϦϯά ϖΞϓϩάϥϛϯά Ϟϒϓϩάϥϛϯά ΠϯΫϦϝϯλϧͳઃܭ ϓϥϯχϯά 5%% ఆ࣌Πϕϯτͱͯ࢝͠ΊΒΕΔ PO ೔ใʹ͍ͭͯৄ͘͠͸੿࡞ʰϕςϥϯͦ͜೔ใΛॻ͜͏ʱΛ͝ࢀর͍ͩ͘͞ ೔ใ ٕೳͷशಘʹ͕࣌ؒඞཁ
49. ୈষ
    l࣌Λ௒͑ͨ
    ϓϩάϥϛϯάͷಓz IUUQXXXBNB[PODPKQEQ
50. l πʔϧ΍ٕ๏͸Կ౓΋มԽ͢Δ͕ɺ
    େ͖͘มԽ͢ΔΘ͚Ͱ͸ͳ͍ɻҰํɺ
    ਓ͸Ώͬ͘Γͱ͕ͩɺਂ͘มԽ͢Δɻ ,FOU
    #FDL
51. %BWF
    5IPNBT
    TBZT IUUQTXXXZPVUVCFDPNXBUDI W&$'(C+9Z* w 3VCZ,BJHJ
    Ͱ ʮ৽͍͠ਓͨͪΛܴ ͑ೖΕΔࢧ౓Λ͠Α ͏ʯͱএ͑Δ
    w ݱ୅͸ͦͷ೥ޙ
    w ࢧ౓ͷ͋ͱ
52. l ϓϩάϥϛϯάεΫʔϧͰͷίϛϡχςΟ΍ब৬ઌͷ૊৫ίϛϡχςΟʹ΋ݴ͑ͦ͏ &4.
    *OD
    $&0
    ฏು
    ݈ࣇ ͻͱΓͻͱΓͷਓͱͯ͠ͷؔ܎͸
    ϓϩδΣΫτظؒΑΓ΋௕͘ଓ͘