ruby12 - Speaker Deck

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3VCZߨٛୈճ 8FCΞϓϦͱ)5.- χϑςΟגࣜձࣾدෟߨٛ ࣾձՊֶʹ͓͚Δ৘ใٕज़ͱίϯςϯπ࡞੒***

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দԬߒฏ ߨࢣ /55ίϜ΢ΣΞ᷂ UXJUUFS!NBDIV IUUQTHJUIVCDPNNBDIV IUUQXXXNBDIVKQEJBSZ

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લճͷ͓͞Β͍

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ࠓिͷ͓୊ จࣈྻΛදࣔ͢Δ͚ͩ ͷ8FCΞϓϦ ϑΥʔϜ͔ΒσʔλΛड͚औͬ ͯܭࢉ͢Δ8FCΞϓϦ #.*ܭࢉΛ8FCΞϓϦԽ ʢ#.*ମॏ×਎௕ʣ

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΍Δ͜ͱ͸ͭ )5.-Λදࣔ͠Α͏ ɹɹ)5.-Λ࢖ͬͯೖྗϑΥʔϜΛදࣔ ϑΥʔϜσʔλΛड͚औΖ͏ ɹɹϑΥʔϜʹೖྗͨ͠਎௕ͱମॏΛαʔόͰड͚औΔ ܭࢉ݁ՌΛ)5.-ʹຒΊࠐ΋͏ ɹɹ਎௕ͱମॏ͔Β#.*Λܭࢉͯ͠ը໘ʹදࣔ

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)5.-Λදࣔ͠Α͏ ɹɹ)5.-Λ࢖ͬͯೖྗϑΥʔϜΛදࣔ ϑΥʔϜσʔλΛड͚औΖ͏ ɹɹ ܭࢉ݁ՌΛ)5.-ʹຒΊࠐ΋͏ ɹɹ

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)5.-ͰσʔλΛೖྗ w )5.-ʹ͸σʔλΛೖྗ͢ΔͨΊͷɺϑΥʔϜ ͱ͍͏࢓૊Έ͕༻ҙ͞Ε͍ͯ·͢

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ςϯϓϨʔτͷ࢖͍ํ HFUCNJEP FSCCNJ FOE BQQSC WJFXTCNJFSC IUNMCPEZ I#.*ܭࢉϓϩάϥϜI EJW͋ͳͨͷ#.*Λܭࢉ͠·͢ɻ FSCͱ͍͏ܗࣜͰॻ͔Εͨɺ CNJͱ͍͏໊લͷςϯϓ Ϩʔτ CNJFSC Λදࣔ͠ ͯͶͱ͍͏ҙຯ 4JOBUSBͰ͸ςϯϓϨʔ τΛWJFXTσΟϨΫτ Ϧʹஔܾ͘·Γ

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ςϯϓϨʔτͷ࢖͍ํ HFUCNJEP FSCCNJ FOE BQQSC WJFXTCNJFSC IUNMCPEZ I#.*ܭࢉϓϩάϥϜI EJW͋ͳͨͷ#.*Λܭࢉ͠·͢ɻ 4JOBUSB͕)5.-ʹม׵͠ɺ  8FCϒϥ΢βʹදࣔͯ͘͠ΕΔ

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8FCαʔό )5.-Λදࣔ͢Δ·Ͱ 8FCϒϥ΢β (&5CNJ)551 HFUCNJEP FSCCNJ FOE )551ͷੈք ςϯϓ Ϩʔτ WJFXTCNJFSC BQQSC )5510, )5.- )5.- 3VCZͷੈք )5.-ͷੈք

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)5.-Λදࣔ͠Α͏ ɹɹ ϑΥʔϜσʔλΛड͚औΖ͏ ɹɹϑΥʔϜʹೖྗͨ͠਎௕ͱମॏΛαʔόͰड͚औΔ ܭࢉ݁ՌΛ)5.-ʹຒΊࠐ΋͏ ɹɹ

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)5.-ϑΥʔϜ w 8FCϒϥ΢β͔Β8FCαʔό΁σʔλΛૹΔ͘͠Έ

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)5.-ϑΥʔϜͷத਎ %0$5:1&IUNM IUNM IFBEUJUMF#.*ܭࢉUJUMFIFBE CPEZ I#.*ܭࢉϓϩάϥϜI ਎௕ͱମॏΛೖྗͯ͠ɺʮ#.*ΛܭࢉʂʯϘλϯΛԡ͍ͯͩ͘͠͞ɻ GPSNBDUJPOCNJNFUIPEQPTU ਎௕ DN JOQVUOBNFIFJHIUUZQFUFYU ମॏ LH JOQVUOBNFXFJHIUUZQFUFYU JOQVUWBMVF#.*ΛܭࢉʂUZQFTVCNJU GPSN CPEZ IUNM QPTUͱ͍͏ํࣜͰCNJʹ IFJHIUͱXFJHIUͱ͍͏ σʔλΛૹΔ

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8FCαʔό 8FCϒϥ΢β (&5ͱ1045 HFUCNJEP FSCCNJ FOE ! QPTUCNJEP σʔλड͚औΓॲཧ FOE GPSNBDUJPOCNJ NFUIPEQPTU ΞυϨεόʔʹೖྗ (&5CNJ)551 ϑΥʔϜΛૹ৴ 1045CNJ)551 )551ͷੈք 3VCZͷੈք )5.-ͷੈք ϑΥʔϜσʔλ͸ 1045Ͱૹ৴

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8FCαʔό ϑΥʔϜʹೖྗͨ͠਎௕ͱମॏ Λ8FCΞϓϦͰड͚औΓ͍ͨ 8FCϒϥ΢β )5.- ϑΥʔϜ 8FCΞϓϦ )551ͷ ੈք )5.-ͷੈք 3VCZͷੈք

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4JOBUSB͕΍ͬͯ͘ΕΔ IFJHIUXFJHIU )551ͷੈք 3VCZͷੈք ม਺ ϑΥʔϜσʔλΛ )BTIʹม׵ͯ͠ QBSBNTͱ͍͏໊ લΛ͚ͭΔ 4JOBUSB IFJHIU XFJHIU )BTIΦϒδΣΫτ Ωʔ QBSBNT ஋

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8FCαʔό ·ͱΊ 8FCϒϥ΢β )5.- ϑΥʔϜ 8FCΞϓϦ )551ͷ ੈք )5.-ͷੈք 3VCZͷੈք JOQVUOBNFIFJHIU UZQFUFYU JOQVUOBNFXFJHIU UZQFUFYU QBSBNT\ IFJHIU XFJHIU^ IFJHIU XFJHIU

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ԋश໰୊ͷղ౴ྫ

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ԋश)5.-ͷදࣔ w CNJʹΞΫηε͢Δͱɺ)5.-Λදࣔ͢ΔΑ ͏ʹ8FCΞϓϦΛ࡞Γม͍͑ͯͩ͘͞

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ԋश)5.-ͷදࣔ SFRVJSFTJOBUSB SFRVJSFTJOBUSBSFMPBEFS ! HFUIFMMPEP )FMMPTJOBUSB FOE ! HFUCNJEP FSCCNJ FOE ! BQQSCͷमਖ਼ WJFXTCNJFSCͷ௥Ճ %0$5:1&IUNM IUNM IFBEUJUMF#.*ܭࢉUJUMFIFBE CPEZ I#.*ܭࢉϓϩάϥϜI ਎௕ͱମॏΛೖྗͯ͠ɺʮ#.*ΛܭࢉʂʯϘλϯΛԡͯͩ͘͠ ͍͞ɻ GPSNBDUJPOCNJNFUIPEQPTU ਎௕ DN JOQVUOBNFIFJHIUUZQFUFYU ମॏ LH JOQVUOBNFXFJHIUUZQFUFYU JOQVUWBMVF#.*ΛܭࢉʂUZQFTVCNJU GPSN CPEZ IUNM 6OJDPSOαʔόͷ࠶ىಈΛ๨Εͣʹʂ

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ԋशσʔλͷड͚औΓ w ϑΥʔϜ͔ΒσʔλΛड͚औͬͯɺ#.*Λܭࢉ ͢Δ8FCΞϓϦΛ࡞Γ·͠ΐ͏ SFRVJSFTJOBUSB ! HFUCNJEP FSCCNJ FOE ! QPTUCNJEP ͜͜ʹ#.*Λܭࢉ͢ΔίʔυΛॻ͘ ͋ͳͨͷ#.*͸\CNJSPVOE ^Ͱ͢ FOE 8FCϒϥ΢β SPVOE ͸খ਺఺ୈҰҐ·Ͱදࣔ

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ԋशσʔλͷड͚औΓ w QBSBNTͷ஋͸͍ͣΕ΋จࣈྻ 4USJOH   ˠUP@GϝιουͰখ਺ʹม׵͢ΔͷΛ๨Εͣʹ HFUCNJEP FSCCNJ FOE ! QPTUCNJEP IFJHIUQBSBNT<IFJHIU>UP@G XFJHIUQBSBNT<XFJHIU>UP@G CNJXFJHIUIFJHIU ͋ͳͨͷ#.*͸\CNJSPVOE ^Ͱ͢ FOE

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4JOBUSBͷ ศརͳػೳ

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ࣗಈϦϩʔυ w ຖճ6OJDPSOΛ࠶ىಈ͢Δͷ͕໘౗ w ίʔυΛमਖ਼͢ΔͱɺࣗಈͰϦϩʔυͯ͘͠ΕΔ HFNTJOBUSBDPOUSJC (FNpMF BQQSC SFRVJSFTJOBUSB SFRVJSFTJOBUSBSFMPBEFS 4JOBUSB3FMPBEFS ݕࡧ

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σόοά༻Τϥʔը໘ w Τϥʔը໘Ͱσόοάʢ໰୊ղੳʣ͕Ͱ͖Δ HFNCFUUFS@FSSPST HFNCJOEJOH@PG@DBMMFS (FNpMF BQQSC SFRVJSFCFUUFS@FSSPST ! VTF#FUUFS&SSPST.JEEMFXBSF #FUUFS&SSPSTBQQMJDBUJPO@SPPU@@EJS@@ CFUUFS@FSSPST ݕࡧ

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CFGPSF

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BGUFS Τϥʔલޙͷίʔυ͕ಡΊΔ ΤϥʔͷՕॴͰJSC͕ ಈ͔ͤΔʂ ม਺ͷத਎͕ݟ͑Δ

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ࣗಈͰ)5.-Τεέʔϓ w )5.-ʹม਺Λදࣔ͢Δͱ͖ʹ͸ɺηΩϡϦςΟରࡦͷͨ Ί)5.-Τεέʔϓͱ͍͏ॲཧ͕ඞཁͰ͢ w FSVCJTΛ࢖͏ͱɺࣗಈͰ)5.-Τεέʔϓͯ͘͠Ε·͢ HFNFSVCJT (FNpMF BQQSC SFRVJSFFSVCJT TFUFSC FTDBQF@IUNMUSVF 944߈ܸ ݕࡧ

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ศརͳػೳΛઃఆ͠Α͏ TPVSDFIUUQTSVCZHFNTPSH HFNVOJDPSO HFNTJOBUSB HFNTJOBUSBDPOUSJC HFNCFUUFS@FSSPST HFNCJOEJOH@PG@DBMMFS HFNFSVCJT (FNpMF BQQSC SFRVJSFTJOBUSB SFRVJSFTJOBUSBSFMPBEFS SFRVJSFFSVCJT TFUFSC FTDBQF@IUNMUSVF ! SFRVJSFCFUUFS@FSSPST VTF#FUUFS&SSPST.JEEMFXBSF #FUUFS&SSPSTBQQMJDBUJPO@SPPU@@EJS@@ ! HFUIFMMPEP )FMMPTJOBUSB FOE (FNpMFͱBQQSCΛमਖ਼͠·͢

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ศརͳػೳΛઃఆ͠Α͏ όϯυϧΠϯετʔϧΛ࣮ߦ͠·͢ VOJDPSOϓϩηεΛ࠶ىಈ͠·͢

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࢖͍ํͷ஫ҙ ࣗಈϦϩʔυͱσόοά༻Τϥʔ ը໘͸ɺ։ൃ͢Δͱ͖͚ͩ༗ޮ ʹ͠·͠ΐ͏ɻ ΞϓϦΛެ։͢Δͱ͖͸ແޮʹɻ

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͔͜͜Β ઌिͷ͓୊ͷ͖ͭͮ

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͓୊ จࣈྻΛදࣔ͢Δ͚ͩ ͷ8FCΞϓϦ ϑΥʔϜ͔ΒσʔλΛड͚औͬ ͯܭࢉ͢Δ8FCΞϓϦ #.*ܭࢉΛ8FCΞϓϦԽ ʢ#.*ମॏ×਎௕ʣ

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)5.-Λදࣔ͠Α͏ ɹɹ ϑΥʔϜσʔλΛड͚औΖ͏ ɹɹ ܭࢉ݁ՌΛ)5.-ʹຒΊࠐ΋͏ ɹɹ਎௕ͱମॏ͔Β#.*Λܭࢉͯ͠ը໘ʹදࣔ

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΍Γ͍ͨ͜ͱ )5.-ʹܭࢉ݁ՌΛ ද͍ࣔͨ͠ QPTUCNJEP #.*ܭࢉ͸লུ ͋ͳͨͷ#.*͸\CNJSPVOE ^Ͱ͢ FOE BQQSC ͍·͸ܭࢉ݁ՌΛ ςΩετͰग़ྗ

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ςϯϓϨʔτ &SC ͷॻ͖ํ ֮͑Δ͜ͱ͸͚ͭͩ 3VCZͷίʔυΛ࣮ߦ 3VCZͷίʔυ 3VCZͷίʔυΛ࣮ߦ͠ɺ݁ՌΛදࣔ 3VCZͷίʔυ

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#.*Λ)5.-ʹग़ྗ QPTUCNJEP IFJHIUQBSBNT<IFJHIU>UP@G XFJHIUQBSBNT<XFJHIU>UP@G !CNJXFJHIUIFJHIU FSCCNJ FOE BQQSC WJFXTCNJFSC GPSNBDUJPOCNJNFUIPEQPTU ਎௕ DN JOQVUOBNFIFJHIUUZQFUFYU ମॏ LH JOQVUOBNFXFJHIUUZQFUFYU JOQVUWBMVF#.*ΛܭࢉʂUZQFTVCNJU GPSN ! JG!CNJ ͋ͳͨͷ#.*͸!CNJSPVOE Ͱ͢ɻ FOE CNJΛ!CNJʹॻ͖׵͑ ʢ!ͷҙຯ͸͋ͱͰઆ໌͠·͢ʣ !CNJม਺Λදࣔ

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࣮ߦ݁Ռ ܭࢉ݁Ռ͕)5.-ʹ ग़ྗ͞Εͨʂ

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ͱ͜ΖͰ !CNJͬͯ ͳʹʁʁʁʁʁ

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ςϯϓϨʔτʹ౉͍ͨ͠ ม਺ʹ͸!Λ͚ͭΔ BQQSC HFUUFTUEP NFTTBHF)FMMP FSCUFTU FOE ϝοηʔδ͸ NFTTBHFͰ͢ɻ WJFXTUFTUFSC NFTTBHFม਺͸ݟ͑ͳ͍ HFUUFTUEP !NFTTBHF)FMMP FSCUFTU FOE ϝοηʔδ͸ !NFTTBHFͰ͢ɻ !Λ͚ͭΔͱΈ͑ΔΑ͏ʹͳΔ

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4JOBUSBͷ3&"%.& w Πϯελϯεม਺ JOTUBODFWBSJBCMF ม਺໊ͷ಄ʹ!͕෇͍͍ͯΔ

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;ͭ͏ͷม਺ 4JOBUSB"QQMJDBUJPO QPTUEP Z FOE BQQSC Z WJFXTCNJSC HFUEP Y FOE Y Z ม਺ͷ༗ޮൣғ είʔϓ ͸ϒϩοΫ಺ Zม਺͸ݟ͑ͳ͍

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!ม਺ Πϯελϯεม਺ 4JOBUSB"QQMJDBUJPO QPTUEP !Z FOE BQQSC !Y WJFXTCNJSC HFUEP !Y FOE !Y !Z ม਺ͷ༗ޮൣғ͸ΦϒδΣΫτ಺ !Zม਺͕ݟ͑Δ

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ͱΓ͋͑ͣɺ ςϯϓϨʔτʹ౉ͨ͠ ͍ม਺ʹ͸!Λ͚ͭΔ ͱ֮͑Ε͹0,

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ԋश՝୊ 4JOBUSBͷศརઃఆ

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՝୊4JOBUSBͷศརઃఆ Τϥʔલޙͷίʔυ͕ಡΊΔ ΤϥʔͷՕॴͰJSC͕ ಈ͔ͤΔʂ ม਺ͷத਎͕ݟ͑Δ ࣗಈϦϩʔυɺσόοά༻Τϥʔը໘ɺࣗಈ )5.-ΤεέʔϓΛઃఆ͠·͠ΐ͏ɻ

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՝୊4JOBUSBͷศརઃఆ TPVSDFIUUQTSVCZHFNTPSH HFNVOJDPSO HFNTJOBUSB HFNTJOBUSBDPOUSJC HFNCFUUFS@FSSPST HFNCJOEJOH@PG@DBMMFS HFNFSVCJT (FNpMF BQQSC SFRVJSFTJOBUSB SFRVJSFTJOBUSBSFMPBEFS SFRVJSFFSVCJT TFUFSC FTDBQF@IUNMUSVF ! SFRVJSFCFUUFS@FSSPST VTF#FUUFS&SSPST.JEEMFXBSF #FUUFS&SSPSTBQQMJDBUJPO@SPPU@@EJS@@ ! HFUIFMMPEP )FMMPTJOBUSB FOE (FNpMFͱBQQSCΛमਖ਼͠·͢

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՝୊4JOBUSBͷศརઃఆ όϯυϧΠϯετʔϧΛ࣮ߦ͠·͢ VOJDPSOϓϩηεΛ࠶ىಈ͠·͢

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ԋश՝୊ #.*Λ)5.-ʹग़ྗ

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՝୊#.*Λ)5.-ग़ྗ ܭࢉ݁Ռ͕දࣔ͞ΕΕ͹0, ܭࢉ݁ՌΛ)5.-Ͱग़ྗ͠·͠ΐ͏ɻ

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՝୊#.*Λ)5.-ग़ྗ QPTUCNJEP IFJHIUQBSBNT<IFJHIU>UP@G XFJHIUQBSBNT<XFJHIU>UP@G !CNJXFJHIUIFJHIU FSCCNJ FOE BQQSC WJFXTCNJFSC GPSNBDUJPOCNJNFUIPEQPTU ਎௕ DN JOQVUOBNFIFJHIUUZQFUFYU ମॏ LH JOQVUOBNFXFJHIUUZQFUFYU JOQVUWBMVF#.*ΛܭࢉʂUZQFTVCNJU GPSN ! JG!CNJ ͋ͳͨͷ#.*͸!CNJSPVOE Ͱ͢ɻ FOE CNJΛ!CNJʹॻ͖׵͑ !CNJม਺Λදࣔ

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ԋश՝୊ ग़ྗ݁ՌͷΧελϚΠζ

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՝୊ग़ྗ݁ՌͷΧελϚΠζ #.*ͷ஋ʹΑͬͯɺʮ૫ͤܕʯɺʮී௨ʯɺ ʮଠΓ͗Έʯͷମܕ΋දࣔͰ͖ΔΑ͏ʹ 8FCΞϓϦΛमਖ਼͍ͯͩ͘͠͞ɻ

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՝୊ग़ྗ݁ՌͷΧελϚΠζ $-*ΞϓϦͷ৔߹ʢୈճ3VCZߨ࠲ΑΓʣ ਎௕Λฉ͘ QVUT͋ͳͨͷ਎௕Λڭ͍͑ͯͩ͘͞ DN IFJHIUHFUTUP@G ମॏΛฉ͘ QVUTͭ͗ʹମॏΛڭ͍͑ͯͩ͘͞ LH XFJHIUHFUTUP@G #.*Λܭࢉ͢Δ CNJXFJHIUIFJHIU #.*Λڭ͑Δ QVUT͋ͳͨͷ#.*͸\CNJ^Ͱ͢z ! JGCNJ QVUT૫ͤܕͰ͢ FMTJGCNJ QVUTී௨Ͱ͢ FMTF QVUTଠΓ͗ΈͰ͢ FOE

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ԋश՝୊ 8FCΞϓϦ࡞Γ

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՝୊8FCΞϓϦ࡞Γ w ͋ͳͨΦϦδφϧͷ8FCΞϓϦΛ࡞ͬͯΈ· ͠ΐ͏ w )5.-ϑΥʔϜ͔ΒσʔλΛड͚औͬͯɺܭࢉ ͯ͠ɺը໘ʹग़ྗ͠·͢ w ྫʮੜ·Ε͔ͯΒԿ೔ͨͬͨʁʯɺ ʮ8JLJQFEJBΞΫηεղੳ݁ՌͷදࣔʯͳͲ

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ࢀߟࢿྉ

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BCD ࣮ߦ݁Ռ QVUTBCD ॻࣜ 3VCZίʔυ ࣮ߦ݁Ռ TIFMMίϚϯυ MT

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ࡶஊɾ࣭໰༻GBDFCPPLάϧʔϓ IUUQTXXXGBDFCPPLDPNHSPVQTIJUPUTVCBTIJSC ɾՃೖඇՃೖ͸ࣗ༝Ͱ͢ ɾՃೖඇՃೖ͸੒੷ʹؔ܎͠·ͤΜ ɾࢀՃऀҰཡ͸ެ։͞Ε·͢ ɾࢀՃऀ͸ελοϑͱҰࡢ೥ɺࡢ೥ɺࠓ೥ͷडߨऀͰ͢ ɾॻ͖ࠐΈ͸ࢀՃऀͷΈݟ͑·͢ ɾر๬ऀ͸ΞΫηεͯ͠ࢀՃਃ੥͍ͯͩ͘͠͞ ɾࡶஊɺ࣭໰ɺٞ࿦ͳͲԿͰ΋ؾʹͤͣͲ͏ͧʙ ɾ࣭໰ʹ౴͑ΒΕΔਓ͸౴͍͑ͯ͋͛ͯͩ͘͞ ɾߨࢣਞ΋͓౴͑͠·͢ ɾೖͬͨΒܰࣗ͘ݾ঺հ͓Ͷ͕͍͠·͢