tuple tips - Speaker Deck

tuple tips

by Motoki Narita

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QPUBUPUJQT UVQMFUJQT ੒ాݩً !NP@UP@

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ࣗݾ঺հ w ੒ాݩًʢͳΓͨ΋ͱ͖ʣ w !NP@UP@ w גࣜձࣾωΫετͰɹɹ)0.&`4ͱ͍͏  ෆಈ࢈ݕࡧΞϓϦͷJ04ΤϯδχΞΛ΍͍ͬͯ·͢ w ݸਓͰ΋ΧϝϥΞϓϦΛ࡞ͬͨΓ

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λϓϧ

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λϓϧͱ͸ ෳ਺ݸͷσʔλΛ૊ʹͯ͠·ͱΊͨ΋ͷ ϝιου΍ϓϩύςΟ͸࣋ͯͳ͍ 7BMVF5ZQF

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"QQMFͷ 5IF4XJGU1SPHSBNNJOH-BOHVBHF ΛಡΜͰΈΔͱ

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r"QQMF*ODl5IF4XJGU1SPHSBNNJOH-BOHVBHFzJ#PPLTIUUQTJUVOFTKQK&6)Mz l5VQMFTBSFVTFGVMGPSUFNQPSBSZHSPVQTPGSFMBUFEWBMVFT 5IFZBSFOPUTVJUFEUPUIFDSFBUJPOPGDPNQMFYEBUB TUSVDUVSFT*GZPVSEBUBTUSVDUVSFJTMJLFMZUPQFSTJTUCFZPOE BUFNQPSBSZTDPQF NPEFMJUBTBDMBTTPSTUSVDUVSF SBUIFS UIBOBTBUVQMFz

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w Ұ࣌తʹ࢖༻͢Δؔ࿈͢Δ஋ͷάϧʔϓΛѻ͏ࡍʹ ༗༻ʢෳࡶͳσʔλߏ଄ʹ͸޲͍͍ͯͳ͍ʣ w Ұ࣌తͳείʔϓΛ௒͑Δʢείʔϓ͕޿͍ʣ΋ͷ ͸λϓϧΑΓ΋DMBTT΍TUSVDUΛఆٛͨ͠ํ͕͍͍ r"QQMF*ODl5IF4XJGU1SPHSBNNJOH-BOHVBHFzJ#PPLTIUUQTJUVOFTKQK&6)Mz

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·ͱΊΔͱɺ

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Ұ࣌తͳείʔϓͰෳ਺ݸͷσʔλͷ ૊Έ߹Θ͕ͤཉ͍͚͠ͲɺTUSVDU΍ DMBTTΛఆٛ͢Δ·Ͱ΋ͳ͍Α͏ͳ৔߹

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λϓϧΛී௨ʹ࢖͏ͱ

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λϓϧͷཁૉʹ͸ΠϯσοΫεͰΞΫηε

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Կ͕ೖ͍ͬͯΔͷ͔͕෼͔ΓͮΒ͍  ʹ͸Կ͕ೖ͍ͬͯΔͷ͔ʁ  ʹ͸Կ͕ೖ͍ͬͯΔͷ͔ʁ

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ΠϯσοΫεͰΞΫηε͢Δࡍͷܽ఺ w είʔϓ͕୹͚Ε͹े෼ʹཧղՄೳ͕ͩɺείʔϓ͕ ௕͘ͳͬͨ৔߹ʹՄಡੑ͕Լ͕Δ w λϓϧ͸ҟͳΔܕΛೖΕΔ͜ͱ͕Ͱ͖ΔͨΊɺΠϯσο ΫεͰΞΫηε͢Δͷ͸͋·Γྑ͘ͳ͍ʢͱࢥ͏ʣ

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λϓϧΛ࢖͍΍͘͢͢Δ޻෉ w Ωʔϫʔυ෇͖λϓϧͰ෼͔Γ΍͘͢ w UZQFBMJBTͰ΋ͬͱ෼͔Γ΍͘͢

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Ωʔϫʔυ෇͖λϓϧͰ  ෼͔Γ΍͘͢

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λϓϧͷ֤ཁૉ͸ΩʔϫʔυΛ  ෇͚Δ͜ͱ͕Ͱ͖Δ

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ཁૉʹର໊ͯ͠લΛ͚ͭΔ͜ͱͰɺ  ࢖͏࣌ʹ෼͔Γ΍͘͢ͳΔ

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ͪͳΈʹ

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ΩʔϫʔυͷҟͳΔλϓϧ͸  ୅ೖ͕Ͱ͖ͳ͍

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Ωʔϫʔυ͕ͳ͍λϓϧಉ࢜͸୅ೖՄೳ  ʢܕͱܕͷॱ൪͕߹͍ͬͯΔඞཁ͸͋Δʣ

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λϓϧΛ࢖͏࣌΋ɺͳΔ΂͘ ໊લΛ͚ͭͨํ͕ྑ͍ͱࢥ͏

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UZQFBMJBTͰ΋ͬͱ෼͔Γ΍͘͢

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7PJE͸λϓϧͷUZQFBMJBT TXJGUTUEMJCQVCMJDDPSF1PMJDZTXJGU

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UZQFBMJBTͰ໊લΛ͚ͭΔ͜ͱ͕Ͱ͖Δ

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DMBTT΍TUSVDUΛఆ͔ٛͨ͠ͷΑ͏ʹѻ͏͜ͱ͕ Ͱ͖Δʢϝιου΍ϓϩύςΟ͸ఆٛͰ͖ͳ͍ʣ

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ͪͳΈʹUZQFBMJBT͸୯ʹ໊લΛ͚͚ͭͨͩͳ ͷͰɺ͜Μͳײ͡Ͱॻ͘͜ͱ΋Ͱ͖Δ

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4XJGUͰͷλϓϧͷਐԽ

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λϓϧಉ࢜ͷൺֱ͕Ͱ͖ΔΑ͏ʹͳͬͨ  ʢ৚݅෇͖ʣ

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λϓϧൺֱͷͨΊͷ৚݅ ཁૉ਺͕ݸҎԼͰ͋Δ ֤ཁૉ͕$PNQBSBCMF &RVBUBCMFʹ४ڌ

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ཁૉ͕ݸҎ্ͩͱ࢖͑ͳ͍ *#.4XJGU4BOECPYͰ֬ೝ  4XJGUWFSTJPOEFW --7.CCGD $MBOHCG 4XJGUBDEF 5BSHFUY@VOLOPXOMJOVYHOV

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ཁૉ͕ݸҎԼͰ͋Ε͹࢖͑Δ *#.4XJGU4BOECPYͰ֬ೝ  4XJGUWFSTJPOEFW --7.CCGD $MBOHCG 4XJGUBDEF 5BSHFUY@VOLOPXOMJOVYHOV

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λϓϧࣗମ͸ൺֱͰ͖ͳ͍ *#.4XJGU4BOECPYͰ֬ೝ  4XJGUWFSTJPOEFW --7.CCGD $MBOHCG 4XJGUBDEF 5BSHFUY@VOLOPXOMJOVYHOV

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ͳͥݸͳͷ͔ʁ

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BQQMFTXJGUFWPMVUJPOͷQSPQPTBM4&΍ϝʔϦϯάϦετʹॻ͔Ε͍ͯΔ QSPQPTBMIUUQTHPPHM;B3WG  .-IUUQTHPPHMUYC"4N

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r,FWJO#BMMBSE l5IFQSPQPTFEBSJUZIFSFJT XIJDIJTMBSHF FOPVHIGPSNPTUSFBTPOBCMFUVQMFT CVUOPUBT MBSHFBT*EQSFGFS XJUIPVUIBWJOHNBTTJWF DPEFJODSFBTFz

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·ͱΊ

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λϓϧศར͡ΌΜ

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ͨͩ͠ɺ

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w Ұ࣌తʹ࢖༻͢Δؔ࿈͢Δ஋ͷάϧʔϓΛѻ͏ࡍʹ ࢖͑Δʢෳࡶͳߏ଄ʹ͸޲͍͍ͯͳ͍ʣ w Ұ࣌తͳείʔϓΛ௒͑Δʢείʔϓ͕޿͍ʣ΋ͷ ͸λϓϧΑΓ΋DMBTT΍TUSVDUΛఆٛ͢Δ r"QQMF*ODl5IF4XJGU1SPHSBNNJOH-BOHVBHFzJ#PPLTIUUQTJUVOFTKQK&6)Mz

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ݸਓతʹ࣮ફ͍ͯ͠Δ͜ͱ w QSJWBUFʹด͍ͯ͡Δ w λϓϧΛ࢖͏࣌͸ʮσʔλͷ૊Έ߹ΘͤΛ࡞Δʯͱ ͍͏͜ͱͳͷͰɺͦͷ૊Έ߹Θ͕ͤͲ͏͍ͬͨ૊Έ ߹Θͤͳͷ͔ΛUZQFBMJBTͰ໊લ෇͚͍ͯ͠Δ w ͨͩ͜͠ͷ৔߹΋ɺ΍Γ͗ͯ͢ݩͷఆ͕ٛ෼͔Γͮ Β͘ͳΔՄೳੑ͕͋ΔͷͰɺ͋͘·Ͱ΋QSJWBUFͳ είʔϓͰͷར༻

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·ͱΊ w ෳࡶͳߏ଄ʹ͸࢖Θͳ͍ w ؔ࿈͢Δ஋Λ·ͱΊͯѻ͍͍ͨ৔߹ʹ࢖͏ w Ұ࣌తͳείʔϓͰ࢖͏

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͓ΘΓ