vgo(Versioned Go Prototype) #golangtokyo

by Asuka Suzuki

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vgo HPMBOHUPLZP

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λϯΫླ໦ !UBOLTV[VLJ גࣜձࣾΤʔϐʔίϛϡχέʔγϣϯζ ("&(Pɾ'JSFCBTFɾHPQBDLFU 3FBDU3FEVY

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λϯΫླ໦ !UBOLTV[VLJ גࣜձࣾΤʔϐʔίϛϡχέʔγϣϯζ (PͰωοτϫʔΫϓϩάϥϛϯά ("&(PͷαʔϏε։ൃ ࠷ۙ࡞ͬͨ΋ͷ ը૾ΛΞοϓϩʔυ͢Δͱ $MPVE7JTJPO"1*ͰإΛݕग़ͯ͠ (PQIFSͬΆͯ͘͘͠ΕΔαʔϏε IUUQTHPQIFSJ[FDPN

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ʁ vgo

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HPίϚϯυʹ૊Έࠐ·ΕΔ༧ఆͷύοέʔδ؅ཧػೳ ैདྷEFQ΍HMJEFଞͰߦ͍ͬͯͨ͜ͱΛHPͰߦ͏

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ϩʔυϚοϓ Α͏΍͘ύοέʔδ؅ཧ·ΘΓ͕མͪண͖ͦ͏ ݱࡏ (P (P ϓϩτλΠϓͱͯ͠WHPίϚϯυ͕ެ։ ςΫχΧϧϓϨϏϡʔ ਖ਼ࣜಋೖ

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WHPʹΑͬͯมΘΔ͜ͱ #1ɹґଘؔ܎ͷղܾ͸Ϗϧυ࣌ʹߦ͏ #2ɹWFOEPSσΟϨΫτϦ͕ෆཁʹͳΔ #3ɹഁյతͳมߋΛՃ͑Δࡍ͸JNQPSUQBUIΛม͑Δ #4ɹՄೳͳݶΓݹ͍όʔδϣϯ͕બ୒͞ΕΔ

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#1ɹґଘؔ܎ͷղܾ͸Ϗϧυ࣌ʹߦ͏

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Ϗϧυର৅ͷίʔυ package main // import "github.com/you/hello" import ( "fmt" "rsc.io/quote" ) func main() { fmt.Println(quote.Hello()) }

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WHPCVJME $ vgo build vgo: resolving import "rsc.io/quote" vgo: finding rsc.io/quote (latest) vgo: adding rsc.io/quote v1.5.2 vgo: finding rsc.io/quote v1.5.2 vgo: finding rsc.io/sampler v1.3.0 vgo: finding golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c vgo: downloading rsc.io/quote v1.5.2 vgo: downloading rsc.io/sampler v1.3.0 vgo: downloading golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c WHPCVJME࣌ͷϩά

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HPNPE module "github.com/you/hello" require ( "rsc.io/quote" v1.5.2 ) ґଘؔ܎͸HPNPEϑΝΠϧͰ؅ཧ͞ΕΔ

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HPNPE module "github.com/you/hello" require ( "rsc.io/quote" v1.5.2 ) ࣗ෼ͷJNQPSUQBUIͷએݴ

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HPNPE module "github.com/you/hello" require ( "rsc.io/quote" v1.5.2 ) ௚઀ґଘͷύοέʔδΛηϚϯςΟοΫόʔδϣχϯάͰ؅ཧ

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#2ɹWFOEPSσΟϨΫτϦ͕ෆཁʹͳΔ

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WFOEPSσΟϨΫτϦ͕ෆཁʹͳΔ ✱ WHP͸WFOEPSσ ΟϨΫτϦΛ࡞੒͠ͳ͍ ✱ ͦͷͨΊɺWFOEPSJOHͷͨΊʹ(01"5)ͷதͰ࡞ۀ͢Δඞཁ͕ͳ͍

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WFOEPSσΟϨΫτϦ͕ෆཁʹͳΔ $GOPATH/src/v/ !"" rsc.io #"" [email protected] #"" [email protected] !"" [email protected] WHPCVJMEͰऔಘͨ͠ύοέʔδ͸(01"5)TSDWʹอଘ͞ΕΔ

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WFOEPSσΟϨΫτϦ͕ෆཁʹͳΔ $GOPATH/src/v/ !"" rsc.io #"" [email protected] #"" [email protected] !"" [email protected] ಉ໊ͷύοέʔδ͸όʔδϣϯผʹอଘ͞ΕɺHPNPE͔Βࢀর͢Δ

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#3ɹഁյతͳมߋΛՃ͑Δࡍ͸JNQPSUQBUIΛม͑Δ  *NQPSU$PNQBUJCJMJUZ3VMF

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*NQPSU$PNQBUJCJMJUZ3VMF ✱ WHPͰѻ͏ύοέʔδ͸ɺޙํޓ׵Λ࣋ͭ͜ͱ͕ٛ຿Խ͞ΕΔ ✱ Ͳ͏ͯ͠΋ഁյతͳมߋ͕ඞཁͳ৔߹͸ɺ  JNQPSUQBUIΛม͑Δ͜ͱͰผύοέʔδѻ͍ʹ͢Δ

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*NQPSU$PNQBUJCJMJUZ3VMF HJUIVCDPNUBOLTV[VLJQLH HJUIVCDPNUBOLTV[VLJQLHW ผύοέʔδʹݟ͑ΔͷͰɺW͔ΒW΁ͷॱ࣍Ҡߦ͕ՄೳʹͳΔ $BTF ੜύε HPQLHJOUBOLTV[VLJQLHW HPQLHJOUBOLTV[VLJQLHW $BTF HPQLHJO࢖༻

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#4ɹՄೳͳݶΓݹ͍όʔδϣϯ͕બ୒͞ΕΔ  .JOJNBM7FSTJPO4FMFDUJPO

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.JOJNBM7FSTJPO4FMFDUJPO EFQ͸ʮՄೳͳݶΓ࠷৽ͷόʔδϣϯʯΛબ୒͢Δ

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.JOJNBM7FSTJPO4FMFDUJPO #͸%Λظ଴͠ɺ$͸%Λظ଴͢Δ " # $ % % %

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.JOJNBM7FSTJPO4FMFDUJPO ʮՄೳͳݶΓ࠷৽ʯͰ͋Δ%͕બ୒͞ΕΔ " # $ % % %

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.JOJNBM7FSTJPO4FMFDUJPO ʮՄೳͳݶΓ࠷৽ʯ͸ৗʹҠΓมΘΔˠϏϧυ࠶ݱੑʹ໰୊͕ग़ΔՄೳੑ " # $ % % % %

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.JOJNBM7FSTJPO4FMFDUJPO WHP͸ʮՄೳͳݶΓݹ͍όʔδϣϯʯΛબ୒͢Δ

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.JOJNBM7FSTJPO4FMFDUJPO #͸%Λظ଴͠ɺ$͸%Λظ଴͢Δ " # $ % % %

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.JOJNBM7FSTJPO4FMFDUJPO ʮՄೳͳݶΓҰ൪ݹ͍όʔδϣϯʯͰ͋Δ%͕બ୒͞ΕΔ " # $ % % %

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.JOJNBM7FSTJPO4FMFDUJPO ΑΓݹ͍όʔδϣϯ͸ϦϦʔε͞Εͳ͍ͷͰɺϏϧυ΋҆ఆ͢Δ " # $ % % % %

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.JOJNBM7FSTJPO4FMFDUJPO ͨͩ͠ɺ৽όʔδϣϯͷॏཁͳมߋ͕ɺ"ʹࣗಈͰద༻͞Εͳ͍໰୊͕͋Δ " # $ % % % %

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.JOJNBM7FSTJPO4FMFDUJPO ղܾํ๏$ͷ։ൃऀ͕HPNPEΛ%ʹ޲͚Δ " # $ % % % %

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.JOJNBM7FSTJPO4FMFDUJPO ղܾํ๏ࣗ෼Ͱ$ΛGPSLͯ͠ɺHPNPEΛ%ʹ޲͚Δ " # $ % % % % $ GPSLFE

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WHPʹΑͬͯมΘΔ͜ͱ #1ɹґଘؔ܎ͷղܾ͸Ϗϧυ࣌ʹߦ͏ #2ɹWFOEPSσΟϨΫτϦ͕ෆཁʹͳΔ #3ɹഁյతͳมߋΛՃ͑Δࡍ͸JNQPSUQBUIΛม͑Δ #4ɹՄೳͳݶΓݹ͍όʔδϣϯ͕બ୒͞ΕΔ

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·ͱΊ ✱ WFOEPSσΟϨΫτϦഇࢭʹΑΓɺ(01"5)͔Βղ์͞ΕΔ ✱ *NQPSU$PNQBUJCJMJUZ3VMFʹΑΓɺόʔδϣϯͷॱ࣍Ҡߦ͕ՄೳʹͳΔ ✱ .JOJNBM7FSTJPO4FMFDUJPOʹΑΓɺϏϧυͷ҆ఆੑ͕ߴ·Δ

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠