20230518_AfterRubyKaigi_LT

by Kenji Furukawa

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"GUFS3VCZ,BJHJ ϝυϐΞגࣜձࣾू߹஌ϓϥοτϑΥʔϜࣄۀ෦։ൃ෦ΫϦαϙ։ൃάϧʔϓ ݹ઒݈ೋ 3&1-ͱσόοΨΛऔΓר͘؀ڥͷมԽ 1SZ *3# ͦͯ͠EFCVHHFN

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XIPBNJ

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ݹ઒݈ೋʢ'VSVLBXB,FOKJʣ   ɹ!GSLBXB@   ϝυϐΞגࣜձࣾ   ू߹஌ϓϥοτϑΥʔϜࣄۀ෦։ൃ෦ΫϦαϙ։ൃάϧʔϓ   ུྺ   ೥·Ͱۚ༥ܥ4&ɺίʔυΛॻ͔ͳ͍͍ΘΏΔΤΫηϧ԰͞Μ   ೥݄ʹגࣜձࣾΫϧΠτೖࣾɺ3VCZ3BJMTΤϯδχΞʹస਎   ೥݄ʹϝυϐΞೖࣾ   ҩࢣͷ։ۀࢧԉαʔϏεʮ$-*/*$4611035ʯ։ൃΛ୲౰   झຯ   α΢φ͓͡͞Μ   ͜ͷલೖͬͨਫ෩࿊͕֎ؾˆɺਫԹˆͩͬͨ   ཱྀߦ   ंதധͰ๺ւಓҰपͨ͠ͷͰ࣍͸۝भҰप͍ͨ͠   ϕʔε࿅शத🎸

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ຊ୊ͷલʹɺ·ͣ͸ɾɾɾ

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3VCZ,BJHJ ͓ർΕ༷Ͱͨ͠ʂʂ

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ɹɹɹϝυϐΞ͔ΒͷࢀՃऀ͸ʜ

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ɹɹɹϝυϐΞ͔ΒͷࢀՃऀ͸ʜ໊Ҏ্😳

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εϙϯαʔϒʔε΋੝Γ্͕͍ͬͯ·ͨ͠👏

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!.FE1FFS@3

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3VCZ,BJHJ ײ૝ɾؾ෇͖

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ηογϣϯ ࿩ͷϨϕϧ͕ͱʹ͔͘ߴ͍ ࣗ෼ͱDPNJUUFSTͷεΩϧͷࠩʹઈ๬ͯ͠͠·͏ ಛʹQBSTFS +*5पΓͷ࿩͸΄ͱΜͲཧղͰ͖͍ͯͳ͍ʜ ͔ͩΒͦ͜ɺϞνϕʔγϣϯ͕༙͘ ͋ͷਓͷ࿩͕෼͔ΔΑ͏ʹͳΓ͍ͨɺಉ౳ͷࢹઢͰ෺ࣄΛݟ͍ͨ

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ηογϣϯ ࿩ͷϨϕϧ͕ͱʹ͔͘ߴ͍ ࣗ෼ͱDPNJUUFSTͷεΩϧͷࠩʹઈ๬ͯ͠͠·͏ ಛʹQBSTFS +*5पΓͷ࿩͸΄ͱΜͲཧղͰ͖͍ͯͳ͍ʜ ͔ͩΒͦ͜ɺϞνϕʔγϣϯ͕༙͘ ͋ͷਓͷ࿩͕෼͔ΔΑ͏ʹͳΓ͍ͨɺಉ౳ͷࢹઢͰ෺ࣄΛݟ͍ͨ     ˠ3VCZॳ৺ऀͷํͦ͜ߦͬͯ΄͍͠ʂ

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ηογϣϯ ࿩ͷϨϕϧ͕ͱʹ͔͘ߴ͍ ࣗ෼ͱDPNJUUFSTͷεΩϧͷࠩʹઈ๬ͯ͠͠·͏ ಛʹQBSTFS +*5पΓͷ࿩͸΄ͱΜͲཧղͰ͖͍ͯͳ͍ʜ ͔ͩΒͦ͜ɺϞνϕʔγϣϯ͕༙͘ ͋ͷਓͷ࿩͕෼͔ΔΑ͏ʹͳΓ͍ͨɺಉ౳ͷࢹઢͰ෺ࣄΛݟ͍ͨ     ˠ3VCZॳ৺ऀͷํͦ͜ߦͬͯ΄͍͠ʂ ɹɹ˞ݸผʹҹ৅ʹ࢒ͬͨηογϣϯ͸࠷ޙʹ͓࿩͠·͢

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ަྲྀ໘ ΦϑϥΠϯͰ͸ೋ౓໨ͷࢀՃ͕ͩɺΞϑλʔύʔςΟͷࢀՃ͸ॳ ࣾ֎ͷਓͱͨ͘͞Μ࿩ͤͨ ίϛολʔ΍εϐʔΧʔͷํͱ΋ 3VCZͷίϛϡχςΟͷେ͖͞ΛഽͰ࣮ײ

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ަྲྀ໘ ΦϑϥΠϯͰ͸ೋ౓໨ͷࢀՃ͕ͩɺΞϑλʔύʔςΟͷࢀՃ͸ॳ ࣾ֎ͷਓͱͨ͘͞Μ࿩ͤͨ ίϛολʔ΍εϐʔΧʔͷํͱ΋ 3VCZͷίϛϡχςΟͷେ͖͞ΛഽͰ࣮ײ ࣾ֎͚ͩͰͳ͘ɺࣾ಺ͷަྲྀ΋ਂ·ͬͨ ϦϞʔτத৺Ͱձ͏ػձ͕গͳ͍ʜ νʔϜΛލ͍Ͱଟ͘ͷํͱަྲྀͰ͖ͨ

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ͱ͜ΖͰօ͞Μɾɾɾ

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3VCZͷσόοΨͱݴ͑͹ʁ

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ͪͳΈʹࢲ͸ɾɾɾ

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QSJOUσόοά͕ѱ͍Θ͚Ͱ͸ͳ͍

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QSJOUσόοά͕ѱ͍Θ͚Ͱ͸ͳ͍ ଞͷखஈΛ஌Βͳ͍͜ͱ͸໰୊

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QSJOUσόοά͕ѱ͍Θ͚Ͱ͸ͳ͍ ଞͷखஈΛ஌Βͳ͍͜ͱ͸໰୊ EFCVHHFN͸࣮ࡍͲ͏ͳͷ͔ɺCJOEJOHQSZͱԿ͕ҧ͏ʁ

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QSJOUσόοά͕ѱ͍Θ͚Ͱ͸ͳ͍ ଞͷखஈΛ஌Βͳ͍͜ͱ͸໰୊ EFCVHHFN͸࣮ࡍͲ͏ͳͷ͔ɺCJOEJOHQSZͱԿ͕ҧ͏ʁ σόοάͱݴ͑͹*3#Ͱ͸ͳ͘1SZɺͱ͍͏ঢ়گ΋มΘ͖͍ͬͯͯΔʁ

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QSJOUσόοά͕ѱ͍Θ͚Ͱ͸ͳ͍ ଞͷखஈΛ஌Βͳ͍͜ͱ͸໰୊ EFCVHHFN͸࣮ࡍͲ͏ͳͷ͔ɺCJOEJOHQSZͱԿ͕ҧ͏ʁ σόοάͱݴ͑͹*3#Ͱ͸ͳ͘1SZɺͱ͍͏ঢ়گ΋มΘ͖͍ͬͯͯΔʁ ˠ͜͜ΒͰ3VCZΛऔΓר͘3&1-΍σόοάࣄ৘Λ͔ͬ͠Γ೺Ѳ͓͖͍ͯͨ͠

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σόοάͷ࿩ͷલʹʜ

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3&1-ʢ1SZ *3#ʣʹ͍ͭͯ

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1SZ͸*3#ͷz୅ସ඼zʁ

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l1SZJTBSVOUJNFEFWFMPQFSDPOTPMFBOE *3#BMUFSOBUJWFXJUIQPXFSGVMJOUSPTQFDUJPODBQBCJMJUJFT 1SZBJNTUPCFNPSFUIBOBO*3#SFQMBDFNFOUl IUUQTHJUIVCDPNQSZQSZ

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۩ମతʹ1SZ͕༏Ε͍ͯΔ ʢͱݴΘΕ͍ͯΔʣ఺͸ʁ

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ศརίϚϯυ

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TIPXTPVSDF$MBTTNFUIPE

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TIPXTPVSDFE$MBTTNFUIPE

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TIPXNPEFM T $MBTT

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TIPXNFUIPE$MBTT

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γϯλοΫεϋΠϥΠτ

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BOE

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CJOEJOHQSZ͕࢖͑Δ

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CJOEJOHQSZ͕࢖͑Δ

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ࢀߟɿ3VCZPO3BJMT$PNNVOJUZ4VSWFZ3FTVMUT IUUQTSBJMTIPTUJOHDPNXIBUJTZPVSHPUPSVCZEFCVHHFSUPPM

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ࢀߟɿ3VCZPO3BJMT$PNNVOJUZ4VSWFZ3FTVMUT IUUQTSBJMTIPTUJOHDPNXIBUJTZPVSHPUPSVCZEFCVHHFSUPPM

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CJOEJOHQSZͷଘࡏͷେ͖͞ 3VCZʹ͸MJCEFCVHSCͱ͍͏ඪ४ϥΠϒϥϦ͕͋ͬͨ ϝϯς͞Ε͓ͯΒͣɺ΄ͱΜͲ࢖ΘΕ͍ͯͳ͍ CJOEJOHQSZͰϒϨΠΫϙΠϯτΛઃఆ͠ɺ3&1-্Ͱର࿩తͳσόοά͕Մೳ 3VCZJTUʹ࠷΋࢖ΘΕΔσόοάखஈͷҰͭͱͯ͠ͷ஍ҐΛཱ֬  

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CJOEJOHQSZͷଘࡏͷେ͖͞ 3VCZʹ͸MJCEFCVHSCͱ͍͏ඪ४ϥΠϒϥϦ͕͋ͬͨ ϝϯς͞Ε͓ͯΒͣɺ΄ͱΜͲ࢖ΘΕ͍ͯͳ͍ CJOEJOHQSZͰϒϨΠΫϙΠϯτΛઃఆ͠ɺ3&1-্Ͱର࿩తͳσόοά͕Մೳ 3VCZJTUʹ࠷΋࢖ΘΕΔσόοάखஈͷҰͭͱͯ͠ͷ஍ҐΛཱ֬       ʢ͋͘·Ͱ΋ࢲͷݟղͰ͕͢ʣ  

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Ͱ͸ɺ*3#͸ʁ

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Ͱ͸ɺ*3#͸ʁ ˠ*3#΋ਐԽ͍ͯ͠Δʂ

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CJOEJOHJSCʢ3VCZʣ 3VCZͰपลߦͷද͕ࣔՄೳʹ ඪ४ϥΠϒϥϦˠEFGBVMUHFNԽʢ3VCZʣ ΑΓॊೈʹར༻Մೳʹ ෳ਺ߦฤूՄೳɺΠϯσϯτิ׬ʢ3VCZʣ γϯλοΫεϋΠϥΠτʢ3VCZʣ ΠϯΫϦϝϯλϧϋΠϥΠτʢ3VCZʣ ϖʔετߴ଎Խʢ3VCZʣ NFBTVSFίϚϯυʢ3VCZʣ ϝιουิ׬΢Οϯυ΢ʢ3VCZʣ MT TIPX@TPVSDF XIFSFBNJίϚϯυʢ3VCZʣ ࢀߟɿ1SZ͸΋͏ݹ͍ɺ࣌୅͸*3# IUUQTLLVCVOIBUFOBCMPHDPNFOUSZ

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ͦͯ͠ɺ3VCZ

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EFCVHHFNͱͷ࿈ܞ🎉

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TIPX@DNETʢൈਮʣ

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*3#ͰϒϨΠΫϙΠϯτ౸ୡޙɺ֤छEFCVHίϚϯυͰEFCVHHFNΛىಈՄೳ

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*3#ͰϒϨΠΫϙΠϯτ౸ୡޙɺ֤छEFCVHίϚϯυͰEFCVHHFNΛىಈՄೳ (FNͷΠϯετʔϧ΍SFRVJSF͕ෆཁɺࣗಈͰϩʔυͯ͘͠ΕΔ

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*3#ͰϒϨΠΫϙΠϯτ౸ୡޙɺ֤छEFCVHίϚϯυͰEFCVHHFNΛىಈՄೳ (FNͷΠϯετʔϧ΍SFRVJSF͕ෆཁɺࣗಈͰϩʔυͯ͘͠ΕΔ *3#͸EFGBVMUHFNͷͨΊɺ࣮͸ʢ3VCZͳΒʢJSCҎ্ͳΒʣʣࠓ͙͢ *3#͔ΒEFCVHHFNΛ৮Δ͜ͱ͕Ͱ͖Δ

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-FU`TEPJUOPX

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EFCVHHFNجຊૢ࡞ OFYU O TUFQ T fi OJTI G DPOUJOVF D εςοϓΦʔόʔɺεςοϓΠϯɺεςοϓΞ΢τɺॲཧ࠶։ JOGP J ݱࡏͷϑϨʔϜͰΞΫηεՄೳͳ৘ใҰཡʢϩʔΧϧม਺ɺΠϯελϯεม ਺ɺఆ਺ʣ XIFSFBNJ ݱࡏ஍ͷ֬ೝʢΤΠϦΞεཉ͍͠ʜʣ

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ͦͷଞศརͳ࢖͍ํʢҰྫʣ CSFBL C EFMFUF EFM ϒϨΠΫϙΠϯτΛઃఆ ϑΝΠϧࢦఆ΍ߦ਺ࢦఆɺϝιουࢦఆͳͲ͕Մೳ EFMFUFOVNͰϒϨΠΫϙΠϯτ࡟আ ͳ͔ͥϒϨΠΫϙΠϯτΛফͯ͠΋ࢭ·ͬͯ͠·͏ɺόάʁ CBDLUSBDF CU GSBNF G VQ EPXO όοΫτϨʔεɺϑϨʔϜͷҠಈ

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ύϑΥʔϚϯεվળ΋ 3VCZͷEFCVHHFNΛࣗຫ͍ͨ͠ IUUQTUFDIMJGFDPPLQBEDPNFOUSZ

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·ͱΊɺॴײ

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3VCZʹ͓͚Δඪ४ϥΠϒϥϦͷ3&1-͸*3#͕ͩɺ਺ʑͷར఺ʢಛʹσόοΨ ͱͯ͠ͷ໾ׂʣ͔Β௕Β͘1SZʹਫΛ։͚ΒΕ͍ͯͨ

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3VCZʹ͓͚Δඪ४ϥΠϒϥϦͷ3&1-͸*3#͕ͩɺ਺ʑͷར఺ʢಛʹσόοΨ ͱͯ͠ͷ໾ׂʣ͔Β௕Β͘1SZʹਫΛ։͚ΒΕ͍ͯͨ ͔͠͠ɺ*3#΋ண࣮ʹਐԽΛॏͶɺಛʹ3VCZҎ߱͸1SZಠࣗͷศརػೳΛ΄ ͱΜͲ௥ै͠ɺݱࡏͰ͸1SZΛ௥͍ൈ͍͍ͯΔͱ͑͞ײ͡Δ

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3VCZʹ͓͚Δඪ४ϥΠϒϥϦͷ3&1-͸*3#͕ͩɺ਺ʑͷར఺ʢಛʹσόοΨ ͱͯ͠ͷ໾ׂʣ͔Β௕Β͘1SZʹਫΛ։͚ΒΕ͍ͯͨ ͔͠͠ɺ*3#΋ண࣮ʹਐԽΛॏͶɺಛʹ3VCZҎ߱͸1SZಠࣗͷศརػೳΛ΄ ͱΜͲ௥ै͠ɺݱࡏͰ͸1SZΛ௥͍ൈ͍͍ͯΔͱ͑͞ײ͡Δ EFCVHHFN΋ಉ༷ͰɺCJOEJOHQSZͱಉ౳Ҏ্ͷػೳΛ༗͍ͯ͠Δ ߋʹ3VCZͰಋೖ͞ΕͨEFCVHHFNͱ*3#ͷ਌࿨ੑΛڧΊΔಈ͖͕3VCZ Ҏ߱΋ݟड͚ΒΕɺࠓޙ΋׆ൃʹ։ൃ͕ਐΉͱ༧૝

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ࠓ͙͢3VCZΛʹ্͛ͯ EFCVHHFNΛ࢖͓͏ʂʂ

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࠷ޙʹʜ

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3VCZ,BJHJͰҹ৅ʹ࢒ͬͨηογϣϯ *3#ͷϝιουิ׬ʢΦʔτίϯϓϦʔτʣΛڧԽ͢ΔLBUBLBUB@JSCͱ͍͏ HFNΛ࡞ͬͨɺͱ͍͏಺༰ ݱঢ়*3#Ͱ͸ϝιουνΣʔϯΛ͢Δͱ్୺ʹิ׬͕ޮ͔ͳ͘ͳΔ͕ɺ3#4Λ ࢖ͬͯิ׬Λޮ͘Α͏ʹͨ͠ͱ͍͏ཧղ ܕఆٛΛߦ͑͹3BJMTͷ"3ϝιου΋ิ׬Մೳʹ ࠷΋ҹ৅ʹ࢒ͬͨηογϣϯͰͨ͠ɺ3#4ͷཧղ΋΋ͬͱਂΊ͍ͨͱࢥͬͨ

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠