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גࣜձࣾΩϡϦΦγςΟιϑτ΢ΣΞ!ZJNBKP ͍·த్൒୺ͳSwift 6ରԠΛ͢ΔΑΓɺ Default Actor΍Approachable ConcurrencyΛ ༗ޮʹ͔ͯ͠ΒͰ͍͍Μ͡Όͳ͍ʁ J04ΞϓϦ։ൃΛΞυόΠε͢Δ࢓ࣄͰ͖·͢Αɻ 5XJUUFS%.͔ IUUQTDVSJPTJUZDPKQ ͷ໰͍߹Θ͔ͤΒ࿈བྷ͍ͩ͘͞

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ʮ4XJGUରԠ׬ྃ͠·ͨ͠ʁʯ ͱ͍͏Ξϯέʔτ͕͋Γ·ͨ͠Ͷ J04%$ͷΧϯϑΝϨϯεϒʔεͰ

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೥ݱࡏͰ͸ͦͷ4XJGUରԠͷ׬ྃͬͯ ۩ମతʹԿΛҙຯͯ͠ΔΜͰ͠ΐ͏͔ʁ ͋ͷ৔ͰΞϯέʔτͯ͘͠Εͨํʹ ʮϞϠϞϠ͢ΔͶʙͦͷ࣭໰ɺͳͥͳΒʙʯ ͱ࿩ͯ͠੝Γ্͕ͬͨ಺༰Λൃදࢿྉʹͯ͠Έ·ͨ͠ʂ

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લఏͷ֬ೝ

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օ͞·͸͢Ͱʹ4XJGUΛ࢖͍ͬͯΔ w ೥݄ͷ9DPEFͷ࣌఺Ͱ4XJGUίϯύΠϥ͸Ͱ͢ w ೥ͷ9DPEFͷ࣌఺Ͱ4XJGUίϯύΠϥ͸Ͱ͢ w ͨͱ͑͹4XJGUͷਆػೳ4&έπΧϯϚ΋ͱͬ͘ʹ࢖͑·͢ w ೥ͷ9DPEFͰ͸4XJGU͕࢖͑·͢

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օ͞·͸4XJGU-BOHVBHF.PEFWͩͱࢥ͏ w 4XJGU-BOHVBHF.PEF w WͱWΛ੾Γସ͑ΒΕΔ w Wʹ͢Δͱ4XJGUϝδϟʔόʔδϣϯΞοϓͷഁյతมߋΛ΋Ζʹड͚Δ w ࢀߟ w IUUQT[FOOEFWZJNBKPBSUJDMFTDGCCD

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4XJGU 4XJGU 9DPEF 9DPEF 4XJGU-BOHVBHF.PEFW 4XJGU-BOHVBHF.PEFW ྫ͑͹4XJGU͔Βͷ4&έπΧϯϚػೳ ഁյతมߋʂ ޓ׵ੑॏࢹ ࢖͑Δ બ୒

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ͭ·Γ ͍·4XJGUରԠʜͱ͍͏͚Ͳ΋ ͍͍ͨͯօ͞·͸4XJGUίϯύΠϥΛ࢖͍ͬͯΔͷͰɺ 4XJGU-BOHVBHF.PEFWରԠͷ͜ͱΛݴ͍ͬͯΔʁ

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ͬͯ͜ͱͰ ࣌୅ʹΑͬͯ4XJGUʢ-BOHVBHF.PEFʣରԠ͸ ඍົʹҧ͍ͬͯͯɺ࠷৽ͷ88%$ͰԿ͕͔͋ͬͨΛৼΓฦΓ·͢

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w 88%$ 9DPEFd  w %FGBVMU"DUPS*TPMBUJPOࢦఆͰ͖Δ͔ΒɺϗετλʔήοτͰ.BJO"DUPS ͱ͔໌ࣔ͠ͳ͍Ͱ͍͍Α w "QQSPBDIBCMF$PODVSSFODZͰ͓͢͢Ίͷ$PODVSSFODZؔ࿈ͷ 6QDPNJOH'FBUVSF'MBHΛ·ͱΊͯ੾Γସ͑ΒΕΔΑ w ৽نϓϩδΣΫτ࡞੒࣌ʹ͜ͷ"QQSPBDIBCMF$PODVSSFODZ͸༗ޮͳͷ Ͱ͜Ε·Ͱͷϑϥά͸༗ޮͰ࢝ΊΒΕΔΑ

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%FGBVMU"DUPS*TPMBUJPO͸σϑΥϧτ.BJO"DUPSʹઃఆ͞ΕͯΔ

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"QQSPBDIBCMF$PODVSSFODZ͕Өڹ͢Δ6QDPNJOH'FBUVSFͨͪ

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%JTBCMF0VUXBSE"DUPS*TPMBUJPOJOGFSFODF Կ 4& ϓϩύςΟͷHMPCBM"DUPS͕ܕࣗମͷΞΫλʔΛਪ࿦ͯ͠͠·͏ɺͷΛ΍ΊΔ ͑͛ͭͶʔ هࣄ IUUQT[FOOEFWZJNBKPBSUJDMFTCFFEG

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(MPCBM"DUPS*TPMBUFE5ZQFT6TBCJMJUZ Կ 4& HMPCBM"DUPSͳܕͷΞΫλʔִ཭Λ؇࿨ͨ͠ɻ۩ମతʹ͸֨ೲϓϩύςΟͷ ಡΈऔΓͷ৔߹ɺ4FOEBCMFͰ͋ͬͨΓ৚݅ʹ౰ͯ͸·Ε͹BXBJU͕ෆཁͰऔΓग़ ͤΔ ศརʙ

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*OUFS*TPMBUFE$POGPSNBODFT Կ A!.BJO"DUPSDMBTT.Z5ZQF!.BJO"DUPS1\^A͕Ͱ͖ΔΑ͏ʹͳͬͨ ެࣜ IUUQTEPDTTXJGUPSHDPNQJMFSEPDVNFOUBUJPOEJBHOPTUJDTJTPMBUFE DPOGPSNBODFT

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OPOJTPMBUFE OPOTFOEJOH #Z%FGBVMU Կ BTZODͳAOPOJTPMBUFE OPOTFOEJOH A͸ؔ਺ͷݺͼग़͠ݩͷ&YFDVUPSͰॲ ཧ͞ΕΔΑ͏ʹͳͬͨ ͜Ε͸ͪΐͬͱ͠ΐ͏͕ͳ͍෦෼΋͋Δ͕Α͘ͳͬͨʂ هࣄ IUUQTRJJUBDPNZJNBKPJUFNTGGFFBDGBB ެࣜ IUUQTEPDTTXJGUPSHDPNQJMFSEPDVNFOUBUJPOEJBHOPTUJDT OPOJTPMBUFEOPOTFOEJOHCZEFGBVMU

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ͳΜͱͳ͘ ݴ͍͍ͨ͜ͱҙຯΘ͔Γ·͢ʁ

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ͳͥͦͷ6QDPNJOH'FBUVSF'MBH͕͋Δ͔ͱ͍͏ͱɺͦΕ͕ͳ ͍ͱ4USJDUͳ$PODVSSFODZରԠΛ͠Α͏ͱͯ͠΋ɺܯࠂফͤͳ͍ ͔ɺແཧͳมߋͱͳΔ͠ɺͦͷޙʹ6QDPNJOH'FBUVSF'MBHΛ ༗ޮʹ͢Δͱ࢓༷มߋʹରԠ͢Δ͜ͱʹͳΔΜ͡Όͳ͍ʁ 88%$ 4USJDU$PODVSSFODZ$IFDLJOHΛ DPNQMFUFEʹ͢Δ͔ʔ ͍΍ɺ͜ΕରԠͰ͖Μͷ͔ʁ 88%$ 88%$ 🍎4XJGU-BOHVBHF.PEFͰޓ׵ੑอͭΑʂ 🍎6QDPNJOH'FBUVSFΛ༗ޮԽ͚ͯ͠͹͍͍Αʂ 🍎4XJGU-BOHVBHF.PEFͰ·ͩWͰ͍͍͔Βʂ 🍎%FGBVMU"DUPSศར͔ͩΒʂେ఍͸.BJO"DUPSͰ͍͍͔Βʂ 🍎OPOJTPMBUFEͰ&YFDVUPS͕HMPCBM"DUPSʹͳΔͷ͸͙͔͑ͬͨͶ 6QDPNJOH'FBUVSF'MBH͔ͭͬͯͶ 🍎4USJDU$PODVSSFODZ$IFDLJOHͰ ͋Β͔͡Ίݫີʹίʔυॻ͖׵͑ͯʂ

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ͦ΋ͦ΋ 9DPEFͰ4XJGU-BOHVBHF.PEFΛWʹ͠ɺ 4QFFDI'SBNFXPSLͷ 4'4QFFDI3FDPHOJ[FSSFRVFTU"VUIPSJ[BUJPO\ʜ^ Λݺͼग़͢ͱΫϥογϡ͠·ͤΜ͔ʁ ։ൃऀ͕͍·4XJGUରԠΛؤுͬͨઌʹ͋Δͷ͸ʜ

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ࠓযΜͳͯ͘΋͍͍͍ͬͯ͏͔ যΔ΂͘͸͞ΜͳΜ͡Όͳ͍Ͱ͠ΐ͏͔ʜ զʑ͸ϑϥάΛΦϯʹͭͭ͠ਖ਼֬ʹ࢓༷Λ೺Ѳ͠ɺ ϢʔβʔͷͨΊʹঃʑʹ҆શͳ4XJGUͷ࢖͍ํΛରԠ͢Ε͹͍͍ɻ 4USJDU$PODVSSFODZͷϨϕϧ্͚ͩ͛ͯରԠͤͣ ܯࠂΛදࣔ͢Δͷ͸ɺ ܯࠂͰຒ΋ΕͯϦΞϧλΠϜͳঢ়گѱԽʹؾ͕͚ͭͳ͘ͳΔΑʂ

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IUUQTZPVUVCFVS:Q".V4H TJG@CFP2"'O$.%: 88%$4XJGUͷฒߦॲཧͷ׆༻ ࢀߟ