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C++20 status
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Akira Takahashi
September 04, 2019
Programming
0
820
C++20 status
C++20 Committee Draft status
Akira Takahashi
September 04, 2019
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Transcript
$ εςʔλε ߴڮ থ "LJSB5BLBIBTIJ GBJUIBOECSBWF!HNBJMDPN 1SFGFSSFE/FUXPSLT *OD ਫ
$ .*9
$ ͷ؆୯ͳઆ໌ • ISO/IEC 14882:2020という規格になる予定の、2020年中に 策定されるC++のバージョン • ͝ͱͷఆظϦϦʔεͳͷͰɺϝδϟʔόʔδϣϯΞοϓɾ ϚΠφʔόʔδϣϯΞοϓͱ͔ͷ۠ผͳ͍
ݴޠػೳͷۄ • ίϯηϓτ ੍͖ςϯϓϨʔτ • Ϟδϡʔϧ ΠϯΫϧʔυʹมΘΔϞδϡʔϧԽͷΈ • ίϧʔνϯ •
ࡾํൺֱԋࢉࢠʹΑΔൺֱԋࢉࢠͷࣗಈఆٛ • είʔϓ͖ྻڍܕͷείʔϓলུ
ϥΠϒϥϦػೳͷۄ • αϒγʔέϯεΛࢀর͢ΔTQBO • ΧϨϯμʔͱλΠϜκʔϯ • 3BOHF • จࣈྻϑΥʔϚοτ •
ϏοτԋࢉͷڧԽ • QPQDPVOU DPVOUPOFT[FSPT ϏοτϨϕϧΩϟετͳͲ • ֶఆ • DPOTUFYQS TUEWFDUPSɺDPOTUFYQS TUETUSJOH • TUEBMMPDBUPS͕DPOTUFYQSରԠ͢Δ
༧ఆ͍ͯͨ͠ػೳͷऔΓΊɾมߋ • ܖϓϩάϥϛϯάαϙʔτΛݟૹΓ ͬͱΑ͘Ͱ͖Δ • ςϯϓϨʔτҾʹҙͷϢʔβʔఆٛܕΛࢦఆ͢ΔػೳΛݟૹΓ ͬ ͱΑ͘Ͱ͖Δ • VOPSEFSFE࿈ίϯςφͷɺܭࢉࡁΈϋογϡΛ༻ͨ͠ݕࡧΠϯλ
ϑΣʔεΛݟૹΓ ͬͱΑ͘Ͱ͖Δ • ίϯηϓτ໊Λ1BTDBM$BTF͔ΒTOBLF@DBTF TUBOEBSE@DBTF ʹมߋ
$ λΠϜϥΠϯ • ݄ʹɺ$PNNJUUFF%SBGU ن֨ͷЌ൛Έ͍ͨͳͷ ͕ެ։͞Ε ͨ • ͔͜͜Βϲ݄ؒͰɺ֤ࠃථΛߦ͏ ຊͷ8PSLJOH(SPVQථ͢Δ
• ֤ࠃථͱίϝϯτ /BUJPOBM#PEZ$PNNFOU Λड͚ͯमਖ਼ͨ͠ن֨ Ҋ %SBGU*OUFSOBUJPOBM4UBOEBSE %*4 Λ࡞ͯ͠࠶ථ • ͦ͜Ͱ͋Εɺ࠶ͯ͠'JOBM%SBGU*OUFSOBUJPOBM4UBOEBSE '%*4 Λ࡞Δ͕ɺ ͜ΕεΩοϓͰ͖Δ • ͷޙ͔ʹɺ*OUFSOBUJPOBM4UBOEBSE *4 ͱͯ͠$ ͕ਖ਼ࣜ ϦϦʔε͞ΕΔ つまり、仕様はほぼ決まり、 ⼼配しなくても2020年中にC++20は策定される。
ίϯύΠϥͷରԠ • ֤ίϯύΠϥ$ ରԠΛ͢Ͱʹ͡Ί͍ͯͯɺҰ෦ػೳ༻Ͱ͖ Δ • ͨͩɺ$ ৽ػೳ͕ͨ͘͞Μ͋ΔͷͰɺશͯͷػೳΛ༻Ͱ͖Δ ·Ͱ͕͔͔࣌ؒΓͦ͏