Understanding Coroutines

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ίϧʔνϯΛཧղ͍ͨ͠

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͸͡Ίʹ — Goal: ίϧʔνϯΛཧղ͢ΔͨΊͷಓےΛࣔ͢ — Non-Goal: Kotlinͷίϧʔνϯͷৄ͍͠࿩

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XΛཧղ͢Δͱ͸ʁ

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ઃܭॻΛಡΜͰΈΔ — KEEP: Kotlin Evolution and Enhancement Process — Kotlinͷ৽͍͠ݴޠػೳͷϓϩϙʔβϧ͕ࡌ͍ͬͯΔ — ίϧʔνϯͷઃܭʹ͍ͭͯ΋ίϯύΫτʹ·ͱ·͍ͬͯΔ

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KEEPͷ಺༰ — Ϣʔεέʔε: ඇಉظॲཧɺFutureɺδΣωϨʔλʔɺඇಉ ظUIͳͲ͕ίϧʔνϯʹΑͬͯͲ͏ॻ͚Δ͔ — ίϧʔνϯͷ֓ཁ: ༻ޠूɺͦͯ͠جຊతͳ֓೦ͷղઆ — ࣮૷ͷৄࡉ: CPSม׵ɺState machineͳͲ

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XΛཧղ͢Δͱ͸ — XΛ࢖ͬͨϓϩάϥϜΛॻ͚Δ — XͷηϚϯςΟΫε͕෼͔Δ — Xͷ࣮૷Λ஌͍ͬͯΔ

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ͳͥKotlinͷίϧʔνϯ͸೉͍͠ͷ͔ — ৽͍֓͠೦͔ͩΒ: Javaͷݴޠػೳʹίϧʔνϯ͸ͳ͍ ʢProject LoomʹΑͬͯࠓޙ࣮૷͞ΕΔ͔΋ʣ — ͍Ζ͍Ζͳॻ͖ํ͕༻ҙ͞Ε͍ͯΔ: suspend fun, launch{}, future{}, .await(), sequence{}, yield, ... — ϚϧνεϨουͱͷؔ܎

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ίϧʔνϯΛཧղ͢ΔͨΊͷγϯϓϧͳ࿮૊Έ — Revisiting CoroutinesΑΓ — ϓϦϛςΟϒ͸3͚ͭͩ: create, resume, yield — ಈ࡞͢ΔαϯϓϧίʔυͷͨΊʹLuaΛ࢖͏ — ҎԼͷεϥΠυͰར༻͢Δαϯϓϧίʔυ: https:// gist.github.com/zhanpon/ 5db10a44649b60f234732453907ffb6f

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ίϧʔνϯ͸ݺͼग़ͤΔ — createͰ࡞੒ — resumeͰݺͼग़͠

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ίϧʔνϯ͸தஅͰ͖Δ — yieldͰதஅ

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Ԡ༻: ϚϧνλεΫ — தஅͱ࠶։͕Ͱ͖Δίϧʔνϯͷੑ࣭ΛԠ༻͢Δ — ෳ਺ͷίϧʔνϯΛॱ൪ʹதஅɾ࠶։ͤ͞Ε͹ಉ࣌ʹಈ͍ ͍ͯΔΑ͏ʹݟ͑Δʂ

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ࢀߟจݙ — KEEP: Kotlin Coroutines — Revisiting Coroutines — Programming in Lua, Chapter 9

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ѻΘͳ͔ͬͨτϐοΫ — ܧଓͷ֓೦ — ίϧʔνϯΛ࢖ͬͯྫ֎Λ࣮૷͢Δ — CPSม׵