そろそろSwift Concurrency

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TIJ[ 5FDI'FFE&YQFSUT/JHIU ͦΖͦΖ4XJGU$PODVSSFODZ

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4XJGUݴޠΨΠυ೔ຊޠ൛ TXJGUPSH 4XJGUʹ͍ͭͯهࡌ ໊લTIJ[ ͣ͠ J04ΤϯδχΞJO෱Ԭ !TU[O

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4XJGU$PODVSSFODZ w 4XJGUͰొ৔ͨ͠ݴޠػೳ w ඇಉظॲཧΛಉظॲཧͱಉ͡Α͏ͳܗͰѻ͑Δ "TZODBXBJU w ෳ਺ͷඇಉظॲཧΛߏ଄Խͯ͠ಉ࣌ฒྻʹ࣮ߦͰ͖Δ 4USVDUVSFE$PODVSSFODZ w ϚϧνεϨουؒͰͷσʔλڝ߹Λ๷͛Δ "DUPS

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4XJGU$PODVSSFODZͷͭͷجຊػೳ w "TZODBXBJU w 4USVDUVSFEDPODVSSFODZ w "DUPS

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"TZODBXBJU "TZODBXBJU

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"TZODBXBJUͱ͸ʁ w ಉ࣌ฒߦॲཧͷϒϩοΫΛߏங͢Δ w ϒϩοΫ಺෦ͰॲཧΛதஅͯ͠ผͷඇಉظॲཧΛݺͼग़͢͜ͱ ͕Ͱ͖Δ w ͦΕ·Ͱͷ࣮ߦεϨουΛҰ౓ख์͠ɺͦͷεϨου͸ଞͷ ॲཧΛ࣮ߦͰ͖Δ w ݺͼग़ͨ͠ඇಉظॲཧͷ݁ՌΛ଴ػ͔ͯ͠ΒॲཧΛ࠶։͢Δ "TZODBXBJU"TZODBXBJUͱ͸ʁ

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BTZOD ݺͼग़͠ ਤͰݟΔ"TZODBXBJU "TZODBXBJU εϨου

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BTZOD BXBJU BTZOD ݁ՌΛ଴ػ ਤͰݟΔ"TZODBXBJU "TZODBXBJU

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ଞͷॲཧΛ࣮ߦͰ͖Δ BTZOD BXBJU தஅ BTZOD ݁ՌΛ଴ػ ਤͰݟΔ"TZODBXBJU "TZODBXBJU

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BTZOD BTZOD BXBJU ݁ՌΛऔಘ BTZOD ࠶։ ਤͰݟΔ"TZODBXBJU "TZODBXBJU

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࠶։લͱಉ͡εϨουͱ͸ݶΒͳ͍ BTZOD BXBJU BTZOD 㱠 ࠶։ ਤͰݟΔ"TZODBXBJU "TZODBXBJU

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ίʔυͰݟΔ"TZODBXBJU "TZODBXBJU ίʔϧόοΫܗࣜ

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ίʔυͰݟΔ"TZODBXBJU "TZODBXBJU

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ίʔυͰݟΔ"TZODBXBJU "TZODBXBJU

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"TZODBXBJU ίʔυͰݟΔ"TZODBXBJU

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ίʔυͰݟΔ"TZODBXBJU "TZODBXBJU

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ίʔυͰݟΔ"TZODBXBJU "TZODBXBJU

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ࣗવͳྲྀΕ ίʔυͰݟΔ"TZODBXBJU "TZODBXBJU

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ࣗવͳྲྀΕ BTZODɺBXBJU͕ͳ͍ͱίϯύΠϧΤϥʔ ίʔυͰݟΔ"TZODBXBJU "TZODBXBJU

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ؔ਺ͷείʔϓΛൈ͚ͨޙʹ࣮ߦ͞ΕΔ ࣗવͳྲྀΕ BTZODɺBXBJU͕ͳ͍ͱίϯύΠϧΤϥʔ ίʔυͰݟΔ"TZODBXBJU "TZODBXBJU

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ؔ਺ͷείʔϓΛൈ͚ͨޙʹ࣮ߦ͞ΕΔ ؔ਺ͷείʔϓ಺Ͱ͢΂ͯ׬݁͢Δ ࣗવͳྲྀΕ BTZODɺBXBJU͕ͳ͍ͱίϯύΠϧΤϥʔ ίʔυͰݟΔ"TZODBXBJU "TZODBXBJU

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ؔ਺ͷείʔϓΛൈ͚ͨޙʹ࣮ߦ͞ΕΔ ؔ਺ͷείʔϓ಺Ͱ͢΂ͯ׬݁͢Δ ࣗવͳྲྀΕ BTZODɺBXBJU͕ͳ͍ͱίϯύΠϧΤϥʔ ໭Γ஋͸௨ৗͷܕ ίʔυͰݟΔ"TZODBXBJU "TZODBXBJU

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4USVDUVSFE DPODVSSFODZ 4USVDUVSFEDPODVSSFODZ

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5BTL w 4XJGU$PODVSSFODZͷॲཧͷجຊ୯Ґ w 5BTL୯ҐͰ࣮ߦঢ়گ΍ؔ࿈σʔλΛ؅ཧ   ϩʔΧϧม਺ɺΩϟϯηϧॲཧɺBTZODίʔυͷ։࢝தஅͳͲ BTZOD BXBJU BTZOD 5BTL BTZOD BXBJU BTZOD 5BTL BTZOD BXBJU BTZOD 5BTL 4USVDUVSFEDPODVSSFODZ5BTL

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4USVDUVSFEDPODVSSFODZͱ͸ʁ w BTZODBXBJUΛ࢖ͬͯෳ਺ͷॲཧΛಉ࣌ฒྻʹ࣮ߦ͢Δ w 5BTLؒͰ֊૚ߏ଄Λߏஙͯ͠ɺඇಉظॲཧͷ଴ػ΍Ωϟϯη ϧॲཧͳͲΛ͜ͷ֊૚಺Ͱ͢΂ͯ׬݁ͤ͞Δ BTZOD 5BTL BTZOD 5BTL 5BTL 4USVDUVSFEDPODVSSFODZ4USVDUVSFEDPODVSSFODZͱ͸ʁ

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BTZODMFU 63-4FTTJPOEBUBϝιου IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOGPVOEBUJPOVSMTFTTJPOEBUB 4USVDUVSFEDPODVSSFODZBTZODMFU

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BTZODMFU BTZODMFUͷӈลʹBXBJUΛ෇͚ͳ͍৔߹݁ՌΛ଴ػ͠ͳ͍ BXBJU 4USVDUVSFEDPODVSSFODZBTZODMFU

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BTZODMFU 4USVDUVSFEDPODVSSFODZBTZODMFU

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BTZODMFU USZBXBJUͰ݁ՌΛ଴ػ 4USVDUVSFEDPODVSSFODZBTZODMFU

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BTZODMFU BTZODMFUͷݺͼग़͠ݩ਌λεΫ BTZODMFU͔Β࡞੒͞ΕͨλεΫࢠλεΫ ࢠλεΫ͕શ෦׬ྃ͢Δ·Ͱ਌λεΫ͸׬ྃ͠ͳ͍ 4USVDUVSFEDPODVSSFODZBTZODMFU ਌λεΫΛΩϟϯηϧ͢ΔͱࢠλεΫ΋Ωϟϯηϧঢ়ଶʹͳΔ ʜͳͲ

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֎ଆͷ5BTL͔Βಠཱͨ͠5BTLΛ࡞੒ 6OTUSVDUVSFEDPODVSSFODZ w पΓͷ5BTL͔Βಠཱͨ͠5BTLΛੜ੒͢Δ w ݁Ռͷ଴ػ΍Ωϟϯηϧ͸खಈͰ࣮ߦ͢Δඞཁ͕͋Δ w 5BTLJOJUͱ5BTLEFUBDIFE͕͋Δ ಠཱͷ౓߹͍͕ҟͳΔ BTZOD 5BTL BTZOD 5BTL 5BTL 4USVDUVSFEDPODVSSFODZ6OTUSVDUVSFEDPODVSSFODZ

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"DUPS "DUPS

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"DUPSͱ͸ʁ w Ұ౓ʹͭͷ5BTLͷΈ͕಺෦ঢ়ଶΛૢ࡞Ͱ͖ΔΑ͏ʹͯ͠ɺෳ਺ε Ϩου͔Βͷಉ࣌ಡΈॻ͖ʹΑΔσʔλڝ߹Λ๷͙ BTZOD 5BTL BDUPS 5BTL 5BTL BTZOD BTZOD σʔλڝ߹ෳ਺εϨου͔Βಉ͡σʔλ΁ಡΈॻ͖Λಉ࣌ʹߦͬͨ݁Ռɺෆਖ਼ͳ஋Λऔಘ͠ ͯ͠·ͬͨΓɺΫϥογϡ͢ΔՄೳੑͷ͋Δঢ়ଶ "DUPS"DUPSͱ͸ʁ

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DMBTTͰσʔλڝ߹͕ൃੜ͢Δ 4XJGUͷDMBTT͸ࢀরܕ ಺෦ঢ়ଶ͸ෳ਺εϨουʹڞ༗͞ΕΔՄೳੑ͕͋Δ "DUPSσʔλڝ߹

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DMBTTͰσʔλڝ߹͕ൃੜ͢Δ λΠϛϯά࣍ୈͰظ଴͠ͳ͍݁ՌʹͳΔ ग़ྗ݁Ռ ˞5BTLEFUBDIFEͰಠཱͨ͠λεΫΛ࡞੒͢Δ "DUPSσʔλڝ߹

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"DUPSͩͱσʔλڝ߹͕ൃੜ͠ͳ͍ "DUPSσʔλڝ߹

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"DUPSͩͱσʔλڝ߹͕ൃੜ͠ͳ͍ ݁Ռ͸ৗʹظ଴௨Γ ग़ྗ݁Ռ "DUPSσʔλڝ߹

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"DUPSͷੑ࣭ ಺෦ঢ়ଶ͸"DUPSͰकΒΕ͍ͯΔ 📬 🤏 ✉ ✉ ✉ w Ұ౓ʹҰͭͷλεΫͷΈ࣮ߦ͢Δ w "DUPS͸ͦΕͧΕ֎ͷੈք͔Βִ཭͞Ε͍ͯΔ "DUPS֎ "DUPS಺ "DUPS"DUPSͷੑ࣭

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"DUPSؒͷભҠͷίετ "DUPS "DUPS w "DUPSؒͷભҠʹ͸ίετ͕͔͔Δ "DUPS஫ҙ఺ 💸

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7JFX͸.BJO"DUPS BDUPS .BJO"DUPS 7JFX 7JFX.PEFM ❌ w 7JFX.PEFMΛBDUPSʹ͢Δͱ"DUPSؒͰͷεΠον͕ൃੜ͢Δ "DUPS஫ҙ఺ 💸

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7JFX.PEFMΛ.BJO"DUPSʹ͢Δ w ಉ͡"DUPS಺ͷॲཧʹͳΔ !.BJO"DUPSDMBTT .BJO"DUPS 7JFX 7JFX.PEFM ⭕ "DUPS஫ҙ఺ 🪙

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4XJGU$PODVSSFODZ w "TZODBXBJU w 4USVDUVSFEDPODVSSFODZ w "DUPS

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͋Γ͕ͱ͏͍͟͝·ͨ͠

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ೖ໳ʹ͓͢͢Ί88%$ηογϣϯ w 4XJGU$PODVSSFODZղઆηογϣϯ   .FFUBTZODBXBJUJO4XJGU🌟Ұ൪࠷ॳʹݟΔͷʹ͓͢͢Ί   &YQMPSFTUSVDUVSFEDPODVSSFODZJO4XJGU   1SPUFDUNVUBCMFTUBUFXJUI4XJGUBDUPST w ΑΓ಺෦ͷ࢓૊ΈΛ஌Δηογϣϯ   4XJGUDPODVSSFODZ#FIJOEUIFTDFOFT w ҰॹʹαϯϓϧΛϦϑΝΫλϦϯά͠ͳ͕Βֶ΂Δηογϣϯ   4XJGUDPODVSSFODZ6QEBUFBTBNQMFBQQ🌟طଘίʔυ͔Βͷม׵ΛҰาҰาֶ΂Δ w ଞͷ'SBNFXPSLͱͷ࿈ܞํ๏Λ஌Δηογϣϯ   #SJOH$PSF%BUBDPODVSSFODZUP4XJGUBOE4XJGU6*   %JTDPWFSDPODVSSFODZJO4XJGU6*   .BLFCMB[JOHGBTUMJTUTBOEDPMMFDUJPOWJFXT 6**NBHFͷ/FX"1*