refinementsを使ってみた話

4b13a6148de3f910428bb8ea15754eae?s=47 Takeo Fujita
April 20, 2017
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 refinementsを使ってみた話

Meguro.rb #2 LT

4b13a6148de3f910428bb8ea15754eae?s=128

Takeo Fujita

April 20, 2017
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Transcript

  1. SFpOFNFOUTΛ ࢖ͬͯΈͨ࿩ !ULFP

  2. ࣗݾ঺հ w !ULFP w HSJNPJSFͱ͍͏ձࣾͰεϚϗͷήʔϜ࡞ͬͯ·͢ w αʔόʔαΠυશ෦୲౰ʢΠϯϑϥؚΊʣ

  3. ࠓ೔ͷ಺༰ w ήʔϜͷӡ༻Ͱࣦഊͨ͠࿩ͱ w ͦͷରԠͷதͰSFpOFNFOUTΛ࢖ͬͯΈͨ࿩ w SVCZͷόʔδϣϯ͸Ͱ͢

  4. σʔλߋ৽ϑϩʔ Ҏલ w ϚελʔσʔλΛεςʔδϯά؀ڥͷ؅ཧը໘͔Β Πϯϙʔτ ϓϥϯφʔ  w ࣮ػ֬ೝ ϓϥϯφʔ

     w Τϥʔௐࠪ ΤϯδχΞ  w σʔλमਖ਼͠ɺ࠶౓Πϯϙʔτɺ֬ೝ ϓϥϯφʔ  w Կ౓͔܁Γฦ͢ w ௚ͬͨΒຊ൪΁

  5. ϑϩʔվળ w ΤϥʔͷݪҼ͸୯७ͳσʔλೖྗϛεͰ͋Δ͜ͱ͕ ଟ͍ w νΣοΫΛࣗಈԽ w ΤϥʔௐࠪෆཁʹͳΕ͹ɺೋਓͰ΍͍ͬͯͨͷ͕Ұ ਓͰ׬݁͢ΔΑ͏ʹͳΔ

  6. σʔλߋ৽ϑϩʔ վ w ϚελʔσʔλΛεςʔδϯά؀ڥͷ؅ཧը໘͔Β Πϯϙʔτ ϓϥϯφʔ  w σʔλΛνΣοΫ͢Δδϣϒ͕ࣗಈͰ૸ͬͯɺ͓͔ ͠ͳՕॴ͕͋Ε͹௨஌

    w σʔλमਖ਼͠ɺ࠶౓Πϯϙʔτ ϓϥϯφʔ  w Կ౓͔܁Γฦ͢ w ࣮ܰ͘ػͰ֬ೝ w ຊ൪΁

  7. ࠷ॳͷ࣮૷ ࣦഊ w WBMJEBUJPOΛ࢖͏ w ผNPEVMFʹ෼͚͓͍ͯͯνΣοΫ͢Δͱ͖ʹ NPEVMFΛJODMVEF͢Δ

  8. ྫ w ࣮ࡍͷίʔυͱ͸ҧ͍·͢ DMBTT2VFTU"QQMJDBUJPO3FDPSE IBT@NBOZRVFTU@SFXBSET FOE DMBTT2VFTU3FXBSE"QQMJDBUJPO3FDPSE FOE

  9. NPEVMF2VFTU7BMJEBUPS FYUFOE"DUJWF4VQQPSU$PODFSO JODMVEFEEP WBMJEBUFT@QSFTFODF@PGOBNF WBMJEBUFT@QSFTFODF@PGRVFTU@SFXBSET FOE FOE DMBTT.BTUFS%BUB7BMJEBUJPO+PC JODMVEF4VDLFS1VODI+PC EFGQFSGPSN

    2VFTUJODMVEF 2VFTU7BMJEBUPS  JOWBMJE@SFDPSET2VFTUTFMFDU JOWBMJE  OPUJGZ@UP@TMBDL JOWBMJE@SFDPSET  FOE FOE

  10. w ͜ΕͰ෦෼తͳ͕ΒνΣοΫ͕ࣗಈԽͰ͖ͨʂʂ w ΊͰͨ͠ΊͰͨ͠ w ͷ͸͕ͣͩͬͨʜ

  11. ͋Δ೔ͷࣄ݅ w Πϯϙʔτͨ͠͸ͣͷσʔλ͕ೖ͍ͬͯͳ͍ w ΍Γ௚͢ͱೖͬͨΓೖΒͳ͔ͬͨΓ

  12. ͳͥʁ w JODMVEF͢ΔͱͦΕҎ߱ͦͷϓϩηεͰ͸ͣͬͱ JODMVEF͞Εͨ·· w JODMVEFࡁΈͩͱ௥ՃͷWBMJEBUJPO͕૸ΔͨΊɺσʔ λͷ౤ೖॱʹΑͬͯ͸TBWFʹࣦഊ͢Δ w VOJDPSOͷϓϩηε͕ෳ਺ಈ͍͍ͯͯɺJODMVEF͞ Εͨ΋ͷͱ͞Ε͍ͯͳ͍΋ͷ͕ࠞࡏ͍ͯͨ͠

    w ͜Μͳ͸ͣͰ͸ͳ͔ͬͨʜ

  13. SFpOFNFOUTΛ࢖͓͏ w ΍ͬͱຊ୊ w ϞϯΩʔύονΛಛఆͷൣғʹݶఆͰ͖Δ w ࠓճ͸νΣοΫ͢Δδϣϒͷத͚ͩʹݶఆ

  14. NPEVMF.BTUFS%BUB7BMJEBUPS SFpOF"QQMJDBUJPO3FDPSEEP EFGBEE@FSSPS@NFTTBHF NFTTBHF  !FSSPS@NFTTBHFTcc<> !FSSPS@NFTTBHFTQVTI NFTTBHF  FOE

    EFGJOWBMJE@NBTUFS@EBUB  !FSSPS@NFTTBHFTQSFTFOU  FOE EFGWBMJEBUFT@NBTUFS@EBUB EVNNZ FOE FOE FOE

  15. NPEVMF.BTUFS%BUB7BMJEBUPS SFpOF2VFTUEP EFGWBMJEBUFT@NBTUFS@EBUB WBMJEBUFT@QSFTFODF@PG@OBNF WBMJEBUFT@QSFTFODF@PG@RVFTU@SFXBSET FOE EFGWBMJEBUFT@QSFTFODF@PG@OBNF JGOBNFCMBOL  BEE@FSSPS@NFTTBHF

    OBNF͕ۭͰ͢  FOE FOE EFGWBMJEBUFT@QSFTFODF@PG@RVFTU@SFXBSET JGRVFTU@SFXBSETCMBOL  BEE@FSSPS@NFTTBHF RVFTU@SFXBSET͕ͳ͍Ͱ͢  FOE FOE FOE FOE

  16. VTJOH.BTUFS%BUB7BMJEBUPS DMBTT.BTUFS%BUB7BMJEBUJPO+PC JODMVEF4VDLFS1VODI+PC EFGQFSGPSN JOWBMJE@SFDPSET2VFTUTFMFDUEPcRVFTUc RVFTUWBMJEBUFT@NBTUFS@EBUB RVFTUJOWBMJE@NBTUFS@EBUB  FOE OPUJGZ@UP@TMBDL

    JOWBMJE@SFDPSET  FOE FOE

  17. VTJOH.BTUFS%BUB7BMJEBUPS 34QFDEFTDSJCF2VFTUEP EFTDSJCFWBMJEBUFT@QSFTFODF@PG@OBNFEP TVCKFDU\CVJME RVFTU OBNF ^ CFGPSFEP TVCKFDUWBMJEBUFT@QSFTFODF@PG@OBNF FOE

    JUEP FYQFDU TVCKFDUWBMJE@NBTUFS@EBUB UPCF@GBMTFZ FOE ͜ΕͩͱVOEFpOFENFUIPEʹͳΔ JUT WBMJE@NBTUFS@EBUB \TIPVMECF@GBMTFZ^ FOE FOE

  18. ·ͱΊ w SFpOFNFOUTΛ࢖͏͜ͱʹΑͬͯɺӨڹൣғΛߜͬ ͯΫϥεఆٛΛมߋ͢Δ͜ͱ͕Ͱ͖ͨ w ϝιου໊ΛݩʹWBMJEBUFT@ Λશ෦ݺͼग़͢Α͏ ͳ࣮૷ʹ͔͕ͨͬͨ͠ɺ0CKFDUNFUIPETͰऔΕ ͳ͍ w

    ϝιου͕औΕͳ͍ͷͰίʔυΛಡ·ͳ͍ͱνΣο Ϋ߲໨͕Θ͔Βͳ͍