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tuple tips

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Avatar for Motoki Narita Motoki Narita
March 16, 2016
Programming
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tuple tips

potatotips #27 での発表内容 http://connpass.com/event/27156/

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Motoki Narita

March 16, 2016
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Transcript

  1. QPUBUPUJQT UVQMFUJQT ੒ాݩً !NP@UP@

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

  3. λϓϧ

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

  5. "QQMFͷ 5IF4XJGU1SPHSBNNJOH-BOHVBHF ΛಡΜͰΈΔͱ

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

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

  8. ·ͱΊΔͱɺ

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

  10. λϓϧΛී௨ʹ࢖͏ͱ

  11. λϓϧͷཁૉʹ͸ΠϯσοΫεͰΞΫηε

  12. Կ͕ೖ͍ͬͯΔͷ͔͕෼͔ΓͮΒ͍
 ʹ͸Կ͕ೖ͍ͬͯΔͷ͔ʁ
 ʹ͸Կ͕ೖ͍ͬͯΔͷ͔ʁ

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

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

  15. Ωʔϫʔυ෇͖λϓϧͰ
 ෼͔Γ΍͘͢

  16. λϓϧͷ֤ཁૉ͸ΩʔϫʔυΛ
 ෇͚Δ͜ͱ͕Ͱ͖Δ

  17. ཁૉʹର໊ͯ͠લΛ͚ͭΔ͜ͱͰɺ
 ࢖͏࣌ʹ෼͔Γ΍͘͢ͳΔ

  18. ͪͳΈʹ

  19. ΩʔϫʔυͷҟͳΔλϓϧ͸
 ୅ೖ͕Ͱ͖ͳ͍

  20. Ωʔϫʔυ͕ͳ͍λϓϧಉ࢜͸୅ೖՄೳ
 ʢܕͱܕͷॱ൪͕߹͍ͬͯΔඞཁ͸͋Δʣ

  21. λϓϧΛ࢖͏࣌΋ɺͳΔ΂͘ ໊લΛ͚ͭͨํ͕ྑ͍ͱࢥ͏

  22. UZQFBMJBTͰ΋ͬͱ෼͔Γ΍͘͢

  23. 7PJE͸λϓϧͷUZQFBMJBT TXJGUTUEMJCQVCMJDDPSF1PMJDZTXJGU

  24. UZQFBMJBTͰ໊લΛ͚ͭΔ͜ͱ͕Ͱ͖Δ

  25. DMBTT΍TUSVDUΛఆ͔ٛͨ͠ͷΑ͏ʹѻ͏͜ͱ͕ Ͱ͖Δʢϝιου΍ϓϩύςΟ͸ఆٛͰ͖ͳ͍ʣ

  26. ͪͳΈʹUZQFBMJBT͸୯ʹ໊લΛ͚͚ͭͨͩͳ ͷͰɺ͜Μͳײ͡Ͱॻ͘͜ͱ΋Ͱ͖Δ

  27. 4XJGUͰͷλϓϧͷਐԽ

  28. λϓϧಉ࢜ͷൺֱ͕Ͱ͖ΔΑ͏ʹͳͬͨ
 ʢ৚݅෇͖ʣ

  29. λϓϧൺֱͷͨΊͷ৚݅  ཁૉ਺͕ݸҎԼͰ͋Δ  ֤ཁૉ͕$PNQBSBCMF &RVBUBCMFʹ४ڌ

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

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

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

  33. ͳͥݸͳͷ͔ʁ

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

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

  36. ·ͱΊ

  37. λϓϧศར͡ΌΜ

  38. ͨͩ͠ɺ

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

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

    είʔϓͰͷར༻

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

  42. ͓ΘΓ