Androidアプリにおける Kotlin Coroutines のより良い使い方 / Better Use of Kotlin Coroutines in Android Apps

େੴক๜-*/&גࣜձࣾ "OESPJEΞϓϦʹ͓͚Δ ,PUMJO$PSPVUJOFTͷΑΓྑ͍࢖͍ํ ,PUMJO'FTU

ࣗݾ঺հ w େੴক๜!-*/&גࣜձࣾ w ίϛϡχέʔγϣϯΞϓϦ-*/&ͷ "OESPJE൛ͷ։ൃʹैࣄ w ΦʔϓϯιʔεϥΠϒϥϦl-JDIzͷ ϝϯςφʔ w
IUUQTHJUIVCDPNMJOFMJDI

͜ͷηογϣϯͰ࿩͢͜ͱ w ,PUMJO$PSPVUJOFTΛར༻͢ΔࡍͷϕετϓϥΫςΟε w "OESPJEΞϓϦ։ൃʹ͓͍ͯ,PUMJO$PSPVUJOFTΛར༻͢Δࡍʹ஫ҙ͢΂͖ མͱ݀͠ w ,PUMJO$PSPVUJOFTͷجຊతͳ࢖͍ํʹ͍ͭͯ͸࿩͠·ͤΜ w TVTQFOEؔ਺΍'MPXͳͲΛҰ౓͸࢖ͬͨ͜ͱ͕͋ΔલఏͰ࿩͠·͢

TVTQFOEؔ਺ʹ͍ͭͯ

TVTQFOEؔ਺Λ࣮૷͢Δࡍͷ஫ҙ఺ w TVTQFOEؔ਺͸lNBJOTBGFzʹ͢Δ w ݺͼग़͢ଆͷίϧʔνϯ͕ͲΜͳεϨου $PSPVUJOF%JTQBUDIFS Ͱ͋ͬ ͯ΋໰୊ͳ͘ಈ࡞͢ΔΑ͏ʹ͢Δ w TVTQFOEؔ਺͸lDBODFMMBCMFzʹ͢Δ
w ίϧʔνϯ͕Ωϟϯηϧ͞Εͨͱ͖͸ɺ͙͢ʹॲཧΛதஅ͢Δ

NBJOTBGFͱ͸ w ϝΠϯεϨουʹඥͮ͘ίϧʔνϯ ྫ͑͹MJGFDZDMF4DPQF͔ΒMBVODI ͞Εͨίϧʔνϯ ͔Β௚઀ݺ͹Εͯ΋໰୊ͳ͍ੑ࣭ͷ͜ͱ w ผͷݴ༿Ͱݴ͑͹ɺXJUI$POUFYU %JTQBUDIFST*0 \ʜ^ͳͲͷར༻Λ
ʮݺͼग़͠ଆ͕ߟྀ͠ͳͯ͘΋Α͍ʯΑ͏ʹ͢Δ͜ͱ w NBJOTBGFͳTVTQFOEؔ਺ΛݺͿͱ͖͸%JTQBUDIFST*0͸ෆཁ w NBJOTBGFͳؔ਺಺Ͱ͸ɺΧϨϯτεϨουΛϒϩοΫͯ͠͸ͳΒͳ͍ w ίϧʔνϯΛlTVTQFOEz͢Δͷ͸0,

$BODFMMBCMFͳTVTQFOEؔ਺ w ίϧʔνϯ͕Ωϟϯηϧ͞Εͨ৔߹ɺ࣮ߦதͷTVTQFOEؔ਺͸ $BODFMMBUJPO&YDFQUJPOΛUISPX͢Δ͜ͱͰॲཧΛதஅ͢΂͖Ͱ͋Δ w ಛʹɺΫϥΠΞϯτΞϓϦͰ͸ʮด͡Δʯ΍ʮ໭Δʯͱ͍ͬͨૢ࡞ʹΑͬͯ Ωϟϯηϧ͕සൟʹൃੜ͢ΔͷͰɺਖ਼͘͠ॲཧΛதஅͰ͖ͳ͚Ε͹ͳΒͳ͍

TVTQFOEؔ਺ͷجຊతͳ࣮૷ํ਑ w QVCMJDͳTVTQFOEؔ਺͸NBJOTBGF͔ͭDBODFMMBCMFʹͳΔΑ͏৺͕͚Δ w "OESPJE9ͳͲͷஶ໊ͳϥΠϒϥϦ͕ఏڙ͢ΔTVTQFOEؔ਺΋ɺجຊతʹ͜ͷ ੑ࣭Λຬ͍ͨͯ͠Δ w NBJOTBGF͔ͭDBODFMMBCMFͳTVTQFOEؔ਺Λ࣮૷͢Δࡍʹ஫ҙ͢΂͖఺ w $BODFMMBUJPO&YDFQUJPO
w ϒϩοΩϯά*0

ΩϟϯηϧΛਖ਼͘͠ѻ͑ͳ͍ྫ w ͨͱ͑͹ɺӈͷίʔυ͸ίϧʔνϯ ͕Ωϟϯηϧ͞Εͯ΋ɺOVMMΛฦͯ͠ ॲཧΛଓߦͯ͠͠·͏ w $BODFMMBUJPO&YDFQUJPO΍ͦͷ਌Ϋ ϥεͰͷUSZDBUDI͸ආ͚Δ΂͖

$BODFMMBUJPO&YDFQUJPOΛਖ਼͘͠ѻ͏ ·ͨ͸

SVO$BUDIJOHͷ࢖༻͸߇͑Δ w SVO$BUDIJOH\ʜ^ͳͲ΋TVTQFOEؔ਺಺Ͱ͸࢖༻Λ߇͑Δ΂͖ w 3FTVMU5Λฦ͢TVTQFOEؔ਺΋ɺίϧʔνϯΩϟϯηϧͷ৔߹͸ $BODFMMBUJPO&YDFQUJPOΛ௚઀UISPX͢Δ΂͖Ͱ͋Δ w DGIUUQTHJUIVCDPN,PUMJOLPUMJOYDPSPVUJOFTJTTVFT w ͦ΋ͦ΋SVO$BUDIJOH͸ɺωοτϫʔΫૢ࡞ʹ͓͚Δ*0&YDFQUJPOͷΑ͏ͳ
ʮී௨ʹى͜Γ͏ΔΤϥʔʯͱɺόάʹΑΔ3VOUJNF&YDFQUJPOͷΑ͏ͳʮ૝ ఆ֎ͷো֐ʯͷ۠ผΛࠔ೉ʹͯ͠͠·͏ͨΊɺϏδωεϩδοΫͷίʔυ಺Ͱ ҆қʹ༻͍ͯ͸ͳΒͳ͍

TVTQFOE$BODFMMBCMF$PSPVUJOFΛ࢖͏ w TVTQFOEؔ਺ΛҰ͔Β࣮૷͢Δ৔߹͸TVTQFOE$BODFMMBCMF$PSPVUJOFؔ਺ Λ࢖͏ w TVTQFOE$BODFMMBCMF$PSPVUJOF\ʜ^ͷϒϩοΫ಺ͰɺΩϟϯηϧ࣌ʹߦ ͏΂͖ॲཧΛJOWPLF0O$BODFMMBUJPOͰࢦఆ͢Δ w TVTQFOE$PSPVUJOFؔ਺͸DBODFMMBCMFͰ͸ͳ͍ͷͰ࢖ͬͯ͸ͳΒͳ͍

XJUI$POUFYU %JTQBUDIFST*0 ͱΩϟϯηϧ w ϒϩοΩϯά*0 ྫ͑͹lJOQVU4USFBNSFBE zͳͲ ͸ lXJUI$POUFYU %JTQBUDIFST*0
\ʜ^zϒϩοΫͰғ͏͜ͱʹΑͬͯNBJO TBGFʹͰ͖Δ w ϑΝΠϧ*0ͳͲ͸͜Ε͚ͩͰे෼ w ͨͩ͠ɺίϧʔνϯ͕Ωϟϯηϧ͞Εͯ΋*0ૢ࡞ࣗମ͸Ωϟϯηϧ͞Εͳ͍ w )551ΞΫηεͷΑ͏ͳ௕࣌ؒ଴ػ͢ΔՄೳੑͷ͋Δ*0ૢ࡞ʹ͍ͭͯ͸ TVTQFOE$BODFMMBCMF$PSPVUJOFؔ਺ͳͲͱ૊Έ߹ΘͤΔ͜ͱΛߟྀ͢Δ

-*/&"OESPJEΞϓϦͰͷ࣮૷ྫ IUUQTHJUIVCDPNMJOFMJDICMPCNBTUFSPLIUUQTSDNBJOKBWBDPNMJOFDPSQMJDIPLIUUQ$BMMLU

/PO$BODFMMBCMFΛద੾ʹར༻͢Δ w ్தͰΩϟϯηϧ͞Εͨ͘ͳ͍ॲཧ͸XJUI$POUFYU /PO$BODFMMBCMF \ʜ^ Ͱғ͏ w Ұ࿈ͷॲཧͷ࠷ޙʹऴྃεςʔλεΛอଘ͢Δ৔߹ͳͲ͕యܕతͳ࢖༻ྫ w /PO$BODFMMBCMFͳϒϩοΫ಺Ͱαʔόʔ΁ͷ)551ΞΫηεͳͲͷ௕࣌ؒ
͔͔ΔॲཧΛ͢Δ͜ͱ͸ආ͚Δ w /PO$BODFMMBCMFΛద੾ʹ༻͍Δ͜ͱͰɺॲཧ్͕தͰΩϟϯηϧ͞Εͯ΋ෆ ਖ਼ͳঢ়ଶ͕࢒Βͳ͍Α͏ʹ͢Δ

'MPXʹ͍ͭͯ

'MPXΛ࣮૷͢Δࡍͷ஫ҙ఺ w 'MPXΛฦؔ͢਺͸εϨουηʔϑʹ͠ɺͦΕࣗମ͸෭࡞༻Λ࣋ͨͳ͍Α͏ʹ ͢Δ w ݪଇͱͯ͠ɺฦͨ͠'MPX͕DPMMFDU͞ΕͨλΠϛϯάͰॲཧΛ։࢝͢Δ w 'MPXΛDPMMFDU͍ͯ͠Δίϧʔνϯ͕Ωϟϯηϧ͞ΕͨΒɺ'MPX΋ॲཧΛத அ͢Δ w
4UBUF'MPX΍4IBSFE'MPX͸ɺDPMMFDU͍ͯ͠Δίϧʔνϯ͕Ұͭ΋ͳ͍ͱ͖ TVCTDSJQUJPO$PVOU͕ͷͱ͖ ʹ$16౳ͷϦιʔεΛফඅ͠ͳ͍Α͏ʹ͢Δ

'MPXΛ࣮૷͢Δ w "OESPJE9ͳͲͷஶ໊ͳϥΠϒϥϦͷఏڙ͢Δ'MPX͸લड़ͷੑ࣭Λຬͨ͢ w ྫ"OESPJE93PPNͷ%"0Ͱ'MPX5Λฦؔ͢਺ w ಠࣗͷ'MPXΛ࣮૷͢Δ৔߹͸ɺ fl PX\ʜ^΍DBMMCBDL'MPX\ʜ^Λ࢖͏͜ͱ Ͱલड़ͷੑ࣭Λຬͨ͢'MPXΛߏஙͰ͖Δ

DBMMCBDL'MPXؔ਺ͷར༻ྫ

$PME'MPXͱ)PU'MPX w fl PX\ʜ^΍DBMMCBDL'MPX\ʜ^ʹΑͬͯ࡞ΒΕͨ'MPX͸lDPMEzͱݺ͹ΕΔ w $PME'MPX͸DPMMFDU͞ΕΔͨͼʹ৽ͨʹॲཧ͕࣮ߦ͞ΕΔ w લϖʔδͷ'MPX΋ɺDPMMFDU͞ΕΔͨͼʹ৽ͨʹҐஔ৘ใऔಘॲཧ͕։࢝͞ΕΔ w ҰํͰɺ4UBUF'MPX΍4IBSFE'MPX͸lIPUzͱݺ͹ΕΔ
w )PU'MPX͸ಉ࣌ʹෳ਺ͷίϧʔνϯ͔ΒDPMMFDU͞Εͯ΋ɺ࣮ߦ͞ΕΔॲཧ͸ ͚ͭͩ w TUBUF*O΍TIBSF*Oؔ਺ʹΑͬͯ$PME'MPXΛ)PU'MPXʹม׵Ͱ͖Δ

TUBUF*Oؔ਺ͷར༻ྫ w TUBUF*O΍TIBSF*Oؔ਺ͷҾ਺ʹ͸4IBSJOH4UBSUFE8IJMF4VCTDSJCFEΛࢦఆ ͠ɺDPMMFDU͍ͯ͠Δίϧʔνϯ͕ແ͘ͳͬͨͱ͖ʹಈ࡞Λఀࢭ͢ΔΑ͏ʹ͢Δ w ୹࣌ؒͷTUPQ5JNFPVU.JMMJTΛࢦఆ͢Δ͜ͱͰɺҰॠ͚ͩίϧʔνϯ͕ఀࢭ͢Δ ৔߹ʹఀࢭɾ࠶։͕࿈ଓͯ͠ى͜Δ͜ͱΛ๷͙ "OESPJEΞϓϦͷDPO fi HVSBUJPO
DIBOHFͳͲ

$PSPVUJOF4DPQFͱ $PSPVUJOF%JTQBUDIFSʹ͍ͭͯ

$PSPVUJOF4DPQFͱϥΠϑαΠΫϧ w ίϧʔνϯΛMBVODI͢ΔΫϥε͸ɺݪଇͱͯͦ͠ͷΠϯελϯεͷϥΠϑαΠΫϧͱҰக͠ ͨ$PSPVUJOF4DPQFΛ࢖ͬͯMBVODI͢Δ͜ͱ w "OESPJE9ͷ"DUJWJUZʹ͸MJGFDZDMF4DPQF͕ɺ7JFX.PEFMʹ͸WJFX.PEFM4DPQF͕ ͋ΔͷͰͦΕΛ࢖͑͹ྑ͍ w "OESPJE9'SBHNFOU͸ྫ֎తʹɺͦΕࣗ਎ͷMJGFDZDMF4DPQFͰ͸ͳ͘ WJFX-JGFDZDMF0XOFSMJGFDZDMF4DPQFΛ࢖͏΂͖Ͱ͋Δ
w 'SBHNFOUͱͦͷ7JFXͷϥΠϑαΠΫϧ͕Ұக͍ͯ͠ͳ͍͜ͱʹΑΔ໰୊ w +FUQBDL$PNQPTFͷ-BVODIFE& ff FDUͰ͸ɺͦͷ಺෦Ͱద੾ͳϥΠϑαΠΫϧͷ $PSPVUJOF4DPQFΛ࢖༻͍ͯ͠ΔͷͰɺ໌ࣔతͳࢦఆ͸ෆཁ

"OESPJE9͕ఏڙ͠ͳ͍Ϋϥεͷ$PSPVUJOF4DPQF w "OESPJE9ͷ؅ཧԼʹͳ͍ΫϥεͰ͋ͬͯ΋ɺͦΕ͕ίϧʔνϯΛMBVODI͢Δͷ Ͱ͋Ε͹$PSPVUJOF4DPQFΛϑΟʔϧυͱͯ࣋ͭ͠΂͖ w Πϯελϯε͕ഁغ͞ΕΔλΠϛϯάͰɺͦͷ$PSPVUJOF4DPQFΛΩϟϯηϧ ͢Δ͜ͱ w $PSPVUJOF4DPQFΛίϯετϥΫλͷσϑΥϧτҾ਺ͱͯ͠༩͑ΔΑ͏ʹ͢Δ ͱVOJUUFTUΛॻ͘ͱ͖ʹศར
w 4JOHMFUPOͳΫϥε Ұ౓࡞ΒΕͨΒϓϩάϥϜͷऴྃ·Ͱੜ͖ଓ͚Δ΋ͷ Ͱ͋ͬ ͯ΋ɺͦΕࣗ਎ͷ$PSPVUJOF4DPQFΛఆٛ͢΂͖ w (MPCBM4DPQFΛ࢖͏͜ͱ͸ආ͚Δ

3FQPTJUPSZΫϥεͷ$PSPVUJOF4DPQFͷྫ w ௨ৗ͸%JTQBUDIFST%FGBVMUΛ࢖͍ɺϝΠϯεϨουͰͷॲཧΛଟ༻͢Δ ৔߹͸.BJO4DPQF ͷར༻Λߟ͑Δ PS

6OJUUFTUͷྫ w 6OJUUFTUͰ͸ίϯετϥΫλ ͔Β5FTU4DPQFΛJOKFDU͢Δ w BEWBODF6OUJM*EMF Λ࢖ͬͯ ίϧʔνϯͷ࣮ߦλΠϛϯά Λ੍ޚͰ͖Δ

ಠࣗ$PSPVUJOF%JTQBUDIFS͸࢖Θͳ͍ w ಠࣗͷ$PSPVUJOF%JTQBUDIFSΛ࡞Δ͜ͱ͸ආ͚Δ w LPUMJOYDPSPVUJOFT%JTQBUDIFSTʹఆٛ͞Ε͍ͯΔ΋ͷ͚ͩΛ࢖͏΂͖ w ಛʹɺ&YFDVUPSBT$PSPVUJOF%JTQBUDIFS ʹΑͬͯಠࣗʹ࡞ΒΕͨ EJTQBUDIFSͷڍಈ͸ɺ͋ͳ͕ͨظ଴͍ͯ͠Δ΋ͷͱ͸ҧ͏͔΋͠Εͳ͍

-*/&"OESPJEΞϓϦͰ࣮ࡍʹى͖ͨ໰୊ w ίϧʔνϯಋೖલ͔Β͋ͬͨίʔυʹɺ4JOHMF5ISFBE&YFDVUPSΛ༻͍Δ ͜ͱͰόοΫάϥ΢ϯυॲཧͷಉ࣮࣌ߦΛ๷ࢭ͍ͯͨ͠΋ͷ͕͋ͬͨ

ΧελϜ$PSPVUJOF%JTQBUDIFSͰ͸্ख͍͔͘ͳ͍ྫ w ಉ͜͡ͱΛγϯάϧεϨουͷ$PSPVUJOF%JTQBUDIFSͰ΍Ζ͏ͱͯ͠΋ ্ख͍͔͘ͳ͍ w TVTQFOE͍ͯ͠Δؒʹผͷίϧʔνϯ͕࣮ߦ͞ΕΔͨΊ

.VUFYʹΑΔίϧʔνϯͷഉଞ੍ޚ w ಉ࣌ʹͨͩҰͭͷίϧʔνϯͰͷ࣮ߦΛ͍ͤͨ͞৔߹͸.VUFYΛ࢖͏ w ͜ͷྫͷΑ͏ʹɺ$PSPVUJOF%JTQBUDIFSΛಠࣗʹ࡞Δҙຯ͸΄ͱΜͲແ͍

SVO#MPDLJOH͸࠷ޙͷखஈ w ίϧʔνϯ͸جຊతʹlDPSPVUJOF4DPQFMBVODI\ʜ^zͷܗͰىಈͤ͞Δ w SVO#MPDLJOH\ʜ^͸Ͱ͖ΔݶΓ࢖Θͳ͍͜ͱ w ಛʹɺϝΠϯεϨου͔ΒSVO#MPDLJOHΛ࢖͏ͱ༰қʹσουϩοΫΛҾ͖ى͜ ͯ͠͠·͏ w SVO#MPDLJOH͸ɺίϧʔνϯʹରԠ͍ͯ͠ͳ͍όοΫάϥ΢ϯυεϨουͰಈ͘
ॲཧ͔ΒTVTQFOEؔ਺Λݺͼग़͢ͱ͖ͷʮ࠷ऴखஈʯͱͯ͠ͷΈ࢖͏ w ΧϨϯτεϨουΛϒϩοΫ͢Δؔ਺͸ld#MPDLJOHzͱ໋໊͢Δ͜ͱʹͯ͠ɺޡͬͯ ϝΠϯεϨου͔Βݺͼग़ͯ͠͠·͏͜ͱΛ๷ࢭ͠Α͏

"OESPJEΞϓϦͷϥΠϑαΠΫϧ ͱίϧʔνϯ

"OESPJEͷϥΠϑαΠΫϧͱίϧʔνϯ w "OESPJEͷ"DUJWJUZ͸όοΫάϥ΢ϯυͰ΋TUPQQFEঢ়ଶͰੜ͖ଓ͚Δ w ࠶දࣔ͞Εͨͱ͖ʹঢ়ଶΛૉૣ͘෮ݩ͢ΔͨΊ w ͔͠͠ɺόοΫάϥ΢ϯυͰγεςϜϦιʔεΛফඅ͢Δॲཧ͸ߦ͏΂͖Ͱ͸ ͳ͍ w Ґஔ৘ใऔಘͳͲ͸ϑΥΞάϥ΢ϯυঢ়ଶͰͷΈߦ͏΂͖
w ίϧʔνϯͰͷॲཧ΋"OESPJEͷϥΠϑαΠΫϧΛҙࣝ͢Δඞཁ͕͋Δ

MBVODI8IFO4UBSUFEͷ໰୊఺ w "DUJWJUZ'SBHNFOU͕TUBSUFEঢ়ଶͷͱ͖͚ͩίϧʔνϯΛಈ࡞ͤ͞ΔͨΊͷ "1*ͱͯ͠MJGFDZDMF4DPQFMBVODI8IFO4UBSUFE΍MJGFDZDMFXIFO4UBSUFE ͱ͍͏ؔ਺͕"OESPJE9ʹ͸͋Δ w ͔͠͠ɺ͜ΕΒΛ࢖ͬͨίϧʔνϯͰ'MPXΛDPMMFDU͢ΔͱTUPQQFEঢ়ଶͰ΋ ॲཧ͕ࢭ·Βͳ͍৔߹͕͋Δͱ͍͏ॏେͳ͕ܽؕ͋Δ w ΑͬͯɺMBVODI8IFO4UBSUFE΍XIFO4UBSUFE͸ʮ࢖ͬͯ͸ͳΒͳ͍ʯ
w কདྷͷ"OESPJE9ϦϦʔεͰ࡟আ͞ΕΔ༧ఆ

SFQFBU0O-JGFDZDMFͷར༻ w "DUJWJUZ'SBHNFOU͕TUBSUFEͷͱ͖͚ͩ'MPXΛDPMMFDU͢Δʹ͸ SFQFBU0O-JGFDZDMFΛ࢖͏

lXJUIz4UBSUFEؔ਺ͷར༻ w ୯ൃͷίϧʔνϯͰ͋ͬͯ΋ɺϥΠϑαΠΫϧ͕TUBSUFEঢ়ଶͷͱ͖ʹ͚ͩ ॲཧΛ͍ͨ͠৔߹͕͋Δ ྫ'SBHNFOU5SBOTBDUJPODPNNJU ͳͲ w ͦͷΑ͏ͳ৔߹͸ MJGFDZDMFXJUI4UBSUFEΛ࢖͏ w
lXIFOz4UBSUFEؔ਺ͱඇৗʹ ฆΒΘ͍͠ͷͰ஫ҙ

"VUP3FTFU-JGFDZDMF4DPQFͷར༻ w -*/&"OESPJEΞϓϦͰ͸ "VUP3FTFU-JGFDZDMF4DPQF ͱ͍͏ΫϥεΛಋೖ w DGIUUQTHJUIVCDPNMJOFMJDI USFFNBTUFSMJGFDZDMF w ΑΓ҆શଆʹدͤͯɺ"DUJWJUZ΍'SBHNFOU͕TUPQQFEঢ়ଶʹͳͬͨΒࣗಈͰ
͢΂ͯͷίϧʔνϯΛΩϟϯηϧ͢Δ࢓૊ΈΛಋೖ͢Δͷ΋ྑ͍

DPMMFDU"T4UBUF8JUI-JGFDZDMFͷར༻ w +FUQBDL$PNQPTFͰ͸DPMMFDU"T4UBUF8JUI-JGFDZDMF Λ࢖͏ w ͨͩ͠೥݄࣌఺Ͱ͸FYQFSJNFOUBMͳ"1*Ͱ͋Γɺকདྷมߋ͞ΕΔ Մೳੑ͋Γ

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࣮૷͢Δͱ͖͸"1*ͷམͱ݀͠ʹ஫ҙ͠ɺPO4UPQͰॲཧ͕࣮֬ʹఀࢭ͢Δ͜ ͱΛςετͰ֬ೝ͠Α͏

·ͱΊ

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ίϧʔνϯͱ"OESPJEϥΠϑαΠΫϧͷམͱ݀͠ w "OESPJE9'SBHNFOUͰ͸ݪଇͱͯ͠WJFX-JGFDZDMF0XOFSMJGFDZDMF4DPQFΛ࢖͏ w MJGFDZDMF4DPQFMBVODI8IFO4UBSUFE΍MJGFDZDMFXIFO4UBSUFE͸࢖Θͳ͍ w 'MPXΛDPMMFDU͢Δ৔߹͸SFQFBU0O-JGFDZDMF w ͦΕҎ֎ͰɺTUBSUFEҎ্ͷͱ͖ʹॲཧΛ࣮ߦ͍ͨ͠৔߹͸MJGFDZDMFXJUI4UBSUFE w
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