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XPE2-bookclub Explained
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Misaki Shioi(塩井美咲/しおい)
September 28, 2024
Technology
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91
XPE2-bookclub Explained
Tokyu Ruby会議15
Misaki Shioi(塩井美咲/しおい)
September 28, 2024
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Transcript
91& CPPLDMVC &YQMBJOFE ԘҪඒ࡙ !TIJPJNN!DPF@ 5PLZV3VCZձٞ
QQTFMG ɹԘҪඒ࡙ ͓͍͠ ɹ!TIJPJNN (JU)VC ɹ!DPF@ 5XJUUFS !DPF
#MVFTLZ ɹ"TBLVTBSCதԝ૯SC
None
5IJTQIPUPCZ!ZBODZBJTMJDFOTFEVOEFS85'1-
தԝ૯SCͱ தԝ૯SCŪŰ +3தԝ૯ઢԊઢͷ3VCZJTUͷͨΊͷ ͍ΘΏΔʮҬSCʯͰ͢ ˞+3தԝ૯ઢ֓೦ IUUQTDIVSCFTBJPQPTUT 5PLZVSCઌഐɺ59SCઌഐʹଓ͘ԊઢܥSCͰ
தԝ૯SCͱ தԝ૯SC DIVP TPCV SC DIVP TPCV SC
தԝ૯SCͱ தԝ૯SC DIVP TPCV SC DIVP TPCV SC
தԝ૯SC DIVP TPCV SC DIVP TPCV SC DIVSC தԝ૯SCͱ ŧœſűƄŖ
தԝ૯SCͱ ɹ׆ಈසɹɹɹɹ͍͍݄ͩͨ ɹ׆ಈڌɹɹɹɹ%JTDPSE ɹࢀՃํ๏ɹɹɹɹ$PTFOTFΛ͝ΒΜ͍ͩ͘͞ ɹIUUQTTDSBQCPYJPSVCZKQதԝ૯SC ɹ࣍ͷ։࠵ɹɹɹɹ ۚ d
ࠓͲΜͳ͜ͱͯ͠Δͷ
ࠓͲΜͳ͜ͱͯ͠Δͷ ʰΤΫετϦʔϜϓϩάϥϛϯάʱΛ !DPF@ͱಡΉ
ࠓͲΜͳ͜ͱͯ͠Δͷ ʰΤΫετϦʔϜϓϩάϥϛϯάʱΛ !DPF@ͱಡΉ
IUUQTTIPQPINTIBDPKQTIPQEFUBJM ʰΤΫετϦʔϜϓϩάϥϛϯάʱ
IUUQTTIPQPINTIBDPKQTIPQEFUBJM ΞδϟΠϧ։ൃͱԿͩͬͨͷ͔ɺ ͦͷݪΛ࠶ߟ͢Δ৽༁ɻ༏Εٕͨज़ ྗͱྑͳਓؒؔΛͬͯͯ͠ιϑ τΣΞ։ൃΛޭʹಋ͘ɺέϯτɾ ϕοΫʹΑΔ91ͷͯ͢Λू໊ͨ͠ ஶͷ৽༁൛ɻ ʰΤΫετϦʔϜϓϩάϥϛϯάʱ
IUUQTTIPQPINTIBDPKQTIPQEFUBJM ΞδϟΠϧ։ൃͱԿͩͬͨͷ͔ɺ ͦͷݪΛ࠶ߟ͢Δ৽༁ɻ༏Εٕͨज़ ྗͱྑͳਓؒؔΛͬͯͯ͠ιϑ τΣΞ։ൃΛޭʹಋ͘ɺέϯτɾ ϕοΫʹΑΔ91ͷͯ͢Λू໊ͨ͠ ஶͷ৽༁൛ɻ ʰΤΫετϦʔϜϓϩάϥϛϯάʱ
IUUQTTIPQPINTIBDPKQTIPQEFUBJM ΞδϟΠϧ։ൃͱԿͩͬͨͷ͔ɺ ͦͷݪΛ࠶ߟ͢Δ৽༁ɻ༏Εٕͨज़ ྗͱྑͳਓؒؔΛͬͯͯ͠ιϑ τΣΞ։ൃΛޭʹಋ͘ɺέϯτɾ ϕοΫʹΑΔ91ͷͯ͢Λू໊ͨ͠ ஶͷ৽༁൛ɻ ʰΤΫετϦʔϜϓϩάϥϛϯάʱ
IUUQTTIPQPINTIBDPKQTIPQEFUBJM ΞδϟΠϧ։ൃͱԿͩͬͨͷ͔ɺ ͦͷݪΛ࠶ߟ͢Δ৽༁ɻ༏Εٕͨज़ ྗͱྑͳਓؒؔΛͬͯͯ͠ιϑ τΣΞ։ൃΛޭʹಋ͘ɺέϯτɾ ϕοΫʹΑΔ91ͷͯ͢Λू໊ͨ͠ ஶͷ৽༁൛ɻ ʰΤΫετϦʔϜϓϩάϥϛϯάʱ
ʰΤΫετϦʔϜϓϩάϥϛϯάʱ ɹDIVSCͰಡΜͰ͍Δͷୈ൛ͷํ ɹ 91FYQMBJOFEOE&EJUJPO91&OE ɹΦʔϜ͔ࣾΒग़൛͞Ε͍ͯΔ֯͞Μ༁ͷํ ɹిࢠ൛ͷߪೖୡਓग़൛ձ͕͓͢͢Ί ɹIUUQTUBUTV[JOFDPNCPPLTFYUSFNFQSPHSBNNJOH
ࠓͲΜͳ͜ͱͯ͠Δͷ ʰΤΫετϦʔϜϓϩάϥϛϯάʱΛ !DPF@ͱಡΉ
DIVSCͰͷಡॻձͷ͢͢Ί͔ͨ
ɹ ࢝·Δલ FTBʹʰࢀՃ͢Δલͷؾ࣋ͪʱΛ ɹɹɹɹɹɹॻ͖ࠐΜͰࢀՃද໌ ɹ ຊฤ ʮϝϯόʔ͕͖Γͷྑ͍ͱ͜Ζ·ͰԻಡ͢Δʯ ɹɹɹ ↔︎ ʮٙɾײɾؾ͍ͮͨ͜ͱΛࣗ༝ʹΔʯΛ
ɹɹɹɹɹΠςϨʔγϣϯ܁Γฦ͢ ɹ ຊฤ େମ࣌ؒ͘Β͍ಡΜͩΒ ɹɹɹɹʮΑ͍िΛʙʯͱѫࡰͯ͠ղࢄ ɹ ऴΘͬͨޙ FTBʹʰࢀՃͨ͠ޙͷؾ࣋ͪʱΛ ɹɹɹɹɹɹɹॻ͖ࠐΜͰ͓͠·͍ DIVSCͰͷಡॻձͷ͢͢Ί͔ͨ
ɹ ࢝·Δલ FTBʹʰࢀՃ͢Δલͷؾ࣋ͪʱΛ ɹɹɹɹɹɹॻ͖ࠐΜͰࢀՃද໌ ɹ ຊฤ ʮ͖Γͷྑ͍ͱ͜Ζ·ͰԻಡ͢Δʯ ↔︎ ɹɹɹɹʮײɾٙɾؾ͍ͮͨ͜ͱΛࣗ༝ʹΔʯΛ
ɹɹɹɹɹΠςϨʔγϣϯ܁Γฦ͢ ɹ ຊฤ େମ࣌ؒ͘Β͍ಡΜͩΒ ɹɹɹɹʮΑ͍िΛʙʯͱѫࡰͯ͠ղࢄ ɹ ऴΘͬͨޙ FTBʹʰࢀՃͨ͠ޙͷؾ࣋ͪʱΛ ɹɹɹɹɹɹɹॻ͖ࠐΜͰ͓͠·͍ DIVSCͰͷಡॻձͷ͢͢Ί͔ͨ
ɹ ࢝·Δલ FTBʹʰࢀՃ͢Δલͷؾ࣋ͪʱΛ ɹɹɹɹɹɹॻ͖ࠐΜͰࢀՃද໌ ɹ ຊฤ ʮ͖Γͷྑ͍ͱ͜Ζ·ͰԻಡ͢Δʯ ↔︎ ɹɹɹɹʮײɾٙɾؾ͍ͮͨ͜ͱΛࣗ༝ʹΔʯΛ
ɹɹɹɹɹΠςϨʔγϣϯ܁Γฦ͢ ɹ ຊฤ େମ࣌ؒ͘Β͍ಡΜͩΒ ɹɹɹɹʮΑ͍िΛʙɹɹʯͱѫࡰͯ͠ղࢄ ɹ ऴΘͬͨޙ FTBʹʰࢀՃͨ͠ޙͷؾ࣋ͪʱΛ ɹɹɹɹɹɹɹॻ͖ࠐΜͰ͓͠·͍ DIVSCͰͷಡॻձͷ͢͢Ί͔ͨ
ɹ ࢝·Δલ FTBʹʰࢀՃ͢Δલͷؾ࣋ͪʱΛ ɹɹɹɹɹɹॻ͖ࠐΜͰࢀՃද໌ ɹ ຊฤ ʮ͖Γͷྑ͍ͱ͜Ζ·ͰԻಡ͢Δʯ ↔︎ ɹɹɹɹʮײɾٙɾؾ͍ͮͨ͜ͱΛࣗ༝ʹΔʯΛ
ɹɹɹɹɹΠςϨʔγϣϯ܁Γฦ͢ ɹ ຊฤ େମ࣌ؒ͘Β͍ಡΜͩΒ ɹɹɹɹʮΑ͍िΛʙɹɹʯͱѫࡰͯ͠ղࢄ ɹ ऴΘͬͨޙ FTBʹʰࢀՃͨ͠ޙͷؾ࣋ͪʱΛ ɹɹɹɹɹɹɹॻ͖ࠐΜͰ͓͠·͍ DIVSCͰͷಡॻձͷ͢͢Ί͔ͨ
ࠓͲΜͳ͜ͱͯ͠Δͷ ʰΤΫετϦʔϜϓϩάϥϛϯάʱΛ !DPF@ͱಡΉ
91&CPPLDMVCલᩀ
91&CPPLDMVCલᩀ ʰύλʔϯɺ8JLJɺ91ʱΛ !NBLJDBNFMͱಡΉ
91&CPPLDMVCલᩀ !LBLVUBOJ ͖ͷ͏ɺ!NBLJDBNFM͕z3VCZ,BJHJΊͬͪΌ͍͍ΜͰ͚͢Ͳɺ ྑ͗ͯ͢ݴ༿ʹͰ͖ͳ͍zͱɺ3VCZ,BJHJ͕શʹΩϚ͍ͬͯͨ ͷͰɺͦͷ'FFMJOHʹʮແ໊ͷ࣭ 2VBMJUZXJUIPVUBOBNF ʯͱ ͍͏໊લ͕͍͍ͭͯ·͢Αɺͱڭ͑ͯ͋͛ͨSVCZLBJHJ
!UBLLBON ࢀߟਤॻͰ͢ ύλʔϯɺ8JLJɺ91ʕʕ࣌Λ͑ͨͷݪଇ IUUQTHJIZPKQCPPL 91&CPPLDMVCલᩀ ʮແ໊ͷ࣭ʯʹৄ͍͠
!NBLJDBNFM ಡΈ·͢ 91&CPPLDMVCલᩀ
ʰύλʔϯɺ8JLJɺ91ʱΛ !NBLJDBNFMͱಡΉ 189SFBEJOH IUUQTDIVSCFTBJPQPTUT
ʰύλʔϯɺ8JLJɺ91ʱ ΛಡΉͱͯ͠ தԝ૯SC͕ൃ IUUQTDIVSCFTBJPQPTUT ˞࠷ॳͷࢀՃϝϯόʔʹͨ·ͨ·தԝ૯ઢͬΆ͍ਓ͕ଟ͔ͬͨ
189SFBEJOH ݄ʹ͡·Γ ݄ɺ ୈճΛͬͯແࣄʹ
189SFBEJOHճ ʮ࣍ԿΓ·͢ʁʯ ͓͍͠ ʮ91&OEಡΈ·͠ΐ͏ʯ
189SFBEJOHճ ʮ࣍ԿΓ·͢ʁʯ ͓͍͠ ʮ91&OEಡΈ·͠ΐ͏ʯ
ͳͥͳͷ͔ ʰύλʔϯɺ8JLJɺ91ʱ
ͳͥͳͷ͔ ʰύλʔϯɺ8JLJɺ91ʱ ʮແ໊ͷ࣭ʯΛΩʔϫʔυʹྺ࢙Λ۷ΓԼ͍͛ͯ͘ ɹύλʔϯϥϯήʔδ ɹɹˠʮແ໊ͷ࣭ʯΛͦͳ͑ͨݐஙΛ࣮ݱ͢Δख๏ ɹ8JLJ ɹɹˠʮແ໊ͷ࣭ʯΛͦͳ͑ͨιϑτΣΞͦͷͷ ɹ91 ɹɹˠʮແ໊ͷ࣭ʯΛͦͳ͑ͨιϑτΣΞΛ࣮ݱ͢Δख๏
ͳͥͳͷ͔ ʰύλʔϯɺ8JLJɺ91ʱ ʮແ໊ͷ࣭ʯΛΩʔϫʔυʹྺ࢙Λ۷ΓԼ͍͛ͯ͘ ɹύλʔϯϥϯήʔδ ɹɹˠʮແ໊ͷ࣭ʯΛͦͳ͑ͨݐஙΛ࣮ݱ͢Δख๏ ɹ8JLJ ɹɹˠʮແ໊ͷ࣭ʯΛͦͳ͑ͨιϑτΣΞͦͷͷ ɹ91 ɹɹˠʮແ໊ͷ࣭ʯΛͦͳ͑ͨιϑτΣΞΛ࣮ݱ͢Δख๏
ʰύλʔϯɺ8JLJɺ91ʱ ʮແ໊ͷ࣭ʯΛΩʔϫʔυʹྺ࢙Λ۷ΓԼ͍͛ͯ͘ ɹύλʔϯϥϯήʔδ ɹɹˠʮແ໊ͷ࣭ʯΛͦͳ͑ͨݐஙΛ࣮ݱ͢Δख๏ ɹ8JLJ ɹɹˠʮແ໊ͷ࣭ʯΛͦͳ͑ͨιϑτΣΞͦͷͷ ɹ91 ɹɹˠʮແ໊ͷ࣭ʯΛͦͳ͑ͨιϑτΣΞΛ࣮ݱ͢Δख๏ ͳͥͳͷ͔ ͬͱΓ͍ͨ
֯୩͞Μ ʮ͓͍͠͞Μ͕ ɹ ʰύλʔϯɺ8JLJɺ91ʱΛҰ͔͚ͯಡΈऴΘ͔ͬͨΓͳͷʹ ɹ91&OEಡΈ·͠ΐ͏ͬͯݴ͍࢝Ίͯɺ ɹ࠷ॳஊ͔ͱࢥ͚ͬͨͲ͕Ϛδͩͬͨʯ
ʰΤΫετϦʔϜϓϩάϥϛϯάʱΛ !DPF@ͱಡΉ 91&CPPLDMVC IUUQTDIVSCFTBJPQPTUT
91&CPPLDMVC։࠵࣮ ɹɹୈճ։࠵ ɹݱࡏɹୈճ·Ͱ։࠵ ɹ ɹ ɹ ɹ
91&CPPLDMVC։࠵࣮ ɹɹୈճ։࠵ ɹݱࡏɹୈճ·Ͱ։࠵ ɹશϖʔδதϖʔδ·Ͱਐḿ ɹ ɹ ɹ
91&CPPLDMVC։࠵࣮ ɹɹୈճ։࠵ ɹݱࡏɹୈճ·Ͱ։࠵ ɹશϖʔδதϖʔδ·Ͱਐḿ ɹ·Ͱ͙Β͍͔͔ΔݟࠐΈ ɹ ɹ
91&CPPLDMVC։࠵࣮ ɹɹୈճ։࠵ ɹݱࡏɹୈճ·Ͱ։࠵ ɹશϖʔδதϖʔδ·Ͱਐḿ ɹ·Ͱ͙Β͍͔͔ΔݟࠐΈ ɹ ࢀߟ ॳճදࢴͷͰ ɹɹɹɹɹ͘Β͍Γ্͕ͬͨ
ͳͥͦΜͳʹ͕͔͔͍࣌ؒͬͯΔͷ͔
ͳͥͦΜͳʹ͕͔͔͍࣌ؒͬͯΔͷ͔ 91&OE͓͠Ζ͍
ͳͥͦΜͳʹ͕͔͔͍࣌ؒͬͯΔͷ͔ 91&OE͓͠Ζ͍ ιϑτΣΞʹؔΘΔਓશһͰ ͏·͘ιϑτΣΞΛͭ͘Γ͍ͨɺ ͱ͍͏ؾ࣋ͪʹಓΛࣔͯ͘͠ΕΔ
ͳͥͦΜͳʹ͕͔͔͍࣌ؒͬͯΔͷ͔ 91&OE͓͠Ζ͍ ͕ࣗϓϩάϥϚʔͱͯ͠ ݱ࣮ੈքʹؔΘ͍ͬͯ͘͜ͱʹ ༐ؾΛ࣋ͨͤͯ͘ΕΔ
ͳͥͦΜͳʹ͕͔͔͍࣌ؒͬͯΔͷ͔ 91&OE͓͠Ζ͍ ,FOU#FDLͷॻ͘จষຯΘ͍͕ਂ͍
ͳͥͦΜͳʹ͕͔͔͍࣌ؒͬͯΔͷ͔ 91&OE͓͠Ζ͍ ʮ͜ΕͬͯͲ͏͍͏͜ͱ ʯΛߟ͑ͨ͘ͳΔ
ʮ͜ΕͲ͏͍͏͜ͱ ʯΛߟ͑ͨ͘ͳΔྫᶃ ຊฤʹೖΔલ 91γϦʔζͷհ ιϑτΣΞ։ൃʹؔͷ͋Δͯ͢ͷਓͨͪʢεϙϯ αʔɺϚωʔδϟʔɺςελʔɺϢʔβʔɺϓϩάϥϚ ʔʣͷਓؒͱͯ͠ͷཉٻΛड͚ೖΕɺͦΕΒΛຬͨ͢͜ͱ ʹΑͬͯ
ຊฤʹೖΔલ 91γϦʔζͷհ ιϑτΣΞ։ൃʹؔͷ͋Δͯ͢ͷਓͨͪʢεϙϯ αʔɺϚωʔδϟʔɺςελʔɺϢʔβʔɺϓϩάϥϚ ʔʣͷਓؒͱͯ͠ͷཉٻΛड͚ೖΕɺͦΕΒΛຬͨ͢͜ͱ ʹΑͬͯ ʮ͜ΕͲ͏͍͏͜ͱ ʯΛߟ͑ͨ͘ͳΔྫᶃ ιϑτΣΞ։ൃͷจ຺Ͱʮਓؒͱͯ͠ͷཉٻʯͱʁ
ຊฤʹೖΔલ 91γϦʔζͷհ ιϑτΣΞ։ൃʹؔͷ͋Δͯ͢ͷਓͨͪʢεϙϯ αʔɺϚωʔδϟʔɺςελʔɺϢʔβʔɺϓϩάϥϚ ʔʣͷਓؒͱͯ͠ͷཉٻΛड͚ೖΕɺͦΕΒΛຬͨ͢͜ͱ ʹΑͬͯ ιϑτΣΞ։ൃͷจ຺Ͱʮਓؒͱͯ͠ͷཉٻʯͱʁ ʮ͜ΕͲ͏͍͏͜ͱ ʯΛߟ͑ͨ͘ͳΔྫᶃ ؍೦తͳදݱ͕ͦͦ͜͜ొ͢Δ
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ୈষՁɺݪଇɺϓϥΫςΟεɹ1 Λ۷ͬͨΓɺ২Λ২͑ͨΓ͜ͷϨϕϧͷࣝཧ ղΛϓϥΫςΟεʢQSBDUJDFTʣͱݺ΅͏ɻ ળ͋͠͠Λஅ͢Δߴͳײ֮͜ͷϨϕϧͷࣝཧ ղΛՁʢWBMVFTʣͱݺ΅͏ɻ ՁͱϓϥΫςΟεͷΪϟοϓΛຒΊΔͷ͕ݪଇ ʢQSJODJQMFTʣͩɻ ʮ͜ΕͲ͏͍͏͜ͱ ʯΛߟ͑ͨ͘ͳΔྫᶅ
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