STYLE

北陸Ruby会議01 (https://regional.rubykaigi.org/hokuriku01)

Transcript

1. 45:-& ,PJDIJ
   *50
   
   &4.
   *OD ๺཮3VCZձٞ 
   ౔ ੴ઒ݝཱਤॻؗ
2. w044ϓϩάϥϚʔ
   w3VCP$PQίΞνʔϜίϛολʔ
   w.$1
   TUFFSJOH
   HSPVQϝϯόʔ
   </&8>
   wגࣜձࣾӬ࿨γεςϜϚωδϝϯτ
   &4.
   *OD
   ΤϯδχΞϦϯάϚωʔδϟʔ
   
   σΟεςΟϯάΠογϡυɾΤϯδχΞ @koic
3. w 3VCZ,BJHJ
   
   দࢁ
   w 4DSVN
   'FTU
   0TBLB
   
   େࡕ
   w ͳ͕Β3VCZձٞ
   ذෞ
   w 3VCZ8PSME
   $POGFSFODF
   
   দߐ
   w ๺཮3VCZձٞ
   ۚ୔ &4.ೖࣾप೥πΞʔϑΝΠφϧ
5. ๺཮3VCZձٞͷӬ࿨ϝϯόʔ 4 Q FBLFS
   -5 4 Q FBLFS !LPJD !ZPTIJOP !UBJKV !GVHBLLCO !KVOL !OTHD !NBJNVYY !LBTVNJQPO !XBJEPJ !IBNDBQ 4 Q POTPS
   5BML 4 Q FBLFS !N@QJYZ " UUFOEFF " UUFOEFF " UUFOEFF " UUFOEFF " UUFOEFF " UUFOEFF " UUFOEFF
6. wਓੜͷঢ়گʹ͋Θͤͨ
   ϥΠϑελΠϧΛଚॏ͢Δ
   wؔ౦ݍɺ෱Ҫɺ࣎լɺژ౎
   ࿨Վࢁɺౡࠜɺٶ࡚͔Βͷ ϦϞʔτϫʔΫ 🗾 ಇ͖ํͷଟ༷Խͱ࠾༻ํ਑ ઈࢍɺશࠃ࠾༻தʂݱ஍ࢀՃϝϯόʔ·Ͱ͓ؾܰʹ͓੠ֻ͚͍ͩ͘͞ʂ
7. w มԽͷ଎͍--.पลٕज़ʹ͍ͭͯͷ࿩୊
   w ༧ࢉͷ͍ͭͨ෦׆ಈ
   w Ӭ࿨ࣾ಺4MBDLͷMMNDMVCνϟϯωϧ
   w ઈࢍ෦һืूத
   w ೖࣾ͢Δ͚ͩͰɺ΋Εͳ͘ೖ෦Ͱ͖·͢ େن໛ݴޠϞσϧ
   --.
   ݚڀ෦
8. ࠓ೔ͷ࿩
9. IUUQTSFHJPOBMSVCZLBJHJPSHIPLVSJLV
11. IUUQTSBJMTIPTUJOHDPNXIJDISVCZHFNTEPZPVMPWF
12. IUUQTSBJMTIPTUJOHDPNXIJDISVCZHFNTGSVTUSBUFZPVUIFNPTU
13. 3VCP$PQ
    
14. 45:-& ࠓ೔͸ܺؒͷ͋Δ࿩Λ͖࣋ͬͯ·ͨ͠
15. ͋ͳͨͷ
    ޷Έ͸ʁ
16. จࣈྻϦςϥϧ require 'csv' γϯάϧΫΥʔτ μϒϧΫΥʔτ require "csv" w ॻ͘ͱ͖࢖͍෼͚Λ ߟ͑ͳͯ͘ྑ͍
    w JOTQFDUͷ݁Ռ΋
    μϒϧΫΥʔτ͔ͩΒ w ࣜల։΍ಛघจࣈ͕ ͳ͍͜ͱ͕໌֬ʹͳ Δ
17. )BTIϦςϥϧͷׅހ಺ͷۭന {key: value} ۭനͳ͠ ۭന͋Γ { key: value } w Α͘ݟ͖ͯͨίʔυ ͕ͦ͏͔ͩΒ w ۭന͋Γͷ1SPDͱ
    ҟͳΔ΋ͷ͔ͩΒ
    w ഑ྻϦςϥϧͱಉ༷ ʹۭനͳ͠
18. ഑ྻϦςϥϧͷׅހ಺ͷۭന [first, second, third] ۭനͳ͠ ۭന͋Γ [ first, second, third ] w )BTIϦςϥϧͰ΋
    ۭന͋Γ͔ͩΒ
    SVCPDPQSBJMTPNBLBTF w )BTIϦςϥϧͰ΋
    ۭനͳ͔ͩ͠Β
    w Α͘ݟ͖ͯͨίʔυ ͕ͦ͏͔ͩΒ
19. ϒϩοΫͷ\^ͱEPFOE expression { foo } ηϚϯςΟοΫ ߦΧ΢ϯτ w ࣜ͸\^Ͱจ͸EPFOEͱ࢖͍෼͚
    w EPFOEDIBJO͸FOE͍ͯ͠ͳ͍
    w େߐށ3VCZձٞͰEPFOEͷ ௥ՃΛੴ௩ܡथ͞Μ͕ޠΔ expression do foo end w ୯Ұߦͷͱ͖͸\^Ͱෳ਺ߦͷͱ͖͸ EPFOE
    w Α͘ݟ͖ͯͨίʔυ͕ͦ͏͔ͩΒ
    w ॳ৺ऀʹ΋࢖͍෼͚͠΍͍ͩ͢Ζ͏
    ͑ʔ statement do foo end ࣜ จ ෳ਺ߦ
20. ϒϩοΫ෇͖ϝιουνΣʔϯͷվߦ foo { bar } .baz .qux ߦ಄ ߦ຤ w ৽ͨͳϝιουνΣʔϯΛ૿ ΍͢ͱ͖EJ ff ͕࠷খʹͳΓ͏Δ
    w υοτ͕ἧ͏ foo { bar }. baz. qux w ߦ͕ଓ͘͜ͱ͕ͦͷ ߦͰΘ͔Δ
21. ϒϩοΫ෇͖ϝιουνΣʔϯͷվߦ foo { bar }.baz.qux ϒϩοΫ಺Ͱվߦ w ͦ΋ͦ΋υοτͰվߦ͠ͳ ͍
    w Πϯσϯτͷ෼͸σσϯτ
22. )BTIϦςϥϧͷ຤ඌΧϯϚ { foo: one, bar: two } ͳ͠ ͋Γ w ࢹ֮తɺ࣮࣭తʹ
    ΤϯτϦ͕ଓ͘Θ͚ Ͱ͸ͳ͍ͷͰෆཁ w ࠷ޙͷཁૉͷޙΖ΁ ΤϯτϦ௥Ճ࣌ʹEJ f ͕࠷খʹͳΔ { foo: one, bar: two, }
23. 45:-&
    ͸޷Έ
24. ଟ༷ੑ
25. ʮԶୡ͸Α͘ʰۂ͕όϥ όϥͩͶʱͱݴΘΕΔ͚ ͲɺԿͰόϥόϥͩͱ͍ ͚ͳ͍ͷ͔ɻ͔ͩΒൽ೑ ʹ΋ʰόϥόϥͳͷ͕Զ ୡͷελΠϧͰ͢ʱͱݴ ͑ͨΒͱࢥͬͨʯ
    + ʮ45:-&ʯͷઌഐʹֶͿ IUUQTKBXJLJQFEJBPSHXJLJ45:-&@ -6/"@4&"ͷΞϧόϜ -6/"
    4&"ʮ45:-&ʯ 
26. ͭ·ΓΦϨ ͨͪͰ͸ʁ
27. 3VCP$PQͷ ࢖͍ͮΒ͞୳Δ
28. ೥Λ౿·͑ͨެࣜ఩ֶ IUUQTEPDTSVCPDPQPSHSVCPDPQJOEFYIUNMQIJMPTPQIZ
29. w 3VCP$PQ͸3VCZ
    4UZMF
    (VJEFͷϥϯλΠϜ࣮૷
    w ॳظʹ໨ࢦͨ͠ͷ͸HPGNUతͳେ౷ҰϑΥϚολʔ
    w 3VCZίϛϡχςΟʹ͸ڝ߹͢ΔελΠϧ΍޷Έ͕͋Δ͜ ͱʹؾͮ͘
    FH
    μϒϧΫΥʔτɺγϯάϧΫΥʔτ
    w ҰൠతͳελΠϧΛߏ੒Մೳʹ͢ΔΑ͏ʹͳΔ
    w ελΠϧΨΠυΛσϑΥϧτͱͭͭ͠ɺ޷Έͷҧ͍Λड ͚ೖΕΔͱ͍͏఩ֶʹجͮ͘Α͏ʹͳΔ 3VCP$PQͷ఩ֶαϚϦʔ
30. w ࣮͸࢖͍ͮΒ͍ͷ͸ϓϩδΣΫτ͝ͱʹى͖ ΔελΠϧͷҧ͍͕ຊ࣭Ͱ͸ͳ͍ͷͰ͸ʁ
    w ࠷΋
    SVCPDPQEJTBCMFͰແޮԽ͢ΔDPQΛ ߟ͑ͯΈΑ͏
    w ࢥ͍ු͔ͼ·͔ͨ͠ʁ ελΠϧͷҧ͍Λड͚ೖΕΔલఏͱ͢Δ
31. .FUSJDT"CD4J[F
32. w .FUSJDT"CD4J[F͸3VCP$PQࣗ਎΋ઃఆͰ σϑΥϧτ͔Βᮢ஋Λ্͍͛ͯΔ
    w .FUSJDTܥͷDPQ͸༑ୡͷ.FUSJDTܥDPQΛ
    ࿈Εͯ΍ͬͯ͘Δ
    w .FUSJDTͷ"CD4J[F
    1FSDFJWFE$PNQMFYJUZ
    $ZDMPNBUJD$PNQMFYJUZͷίϯϏωʔγϣϯ .FUSJDTͷσϑΥϧτ஋͸ݫ͗͢͠Δ
33. # .rubocop.yml Metrics: Enabled: false ઈରతͳઃఆͱ͍͏Θ͚Ͱ͸ͳ͘ɺखૣ͍࢖͍ͮΒ͞؇࿨ͷͨΊͷҰྫͰ͢
34. *
    BN
    UIF
    USJHHFS 8PSET
    (PE
    0OMZ
    ,OPXT
    XPOU
    XPSL
    GPS
    NF -6/"
    4&"ʮ.05)&3ʯ 
35. #VU
    TUJMM
    TFBSDI
    GPS
    MJHIU IUUQTHJUIVCDPNSVCPDPQSVCPDPQJTTVFTJTTVFDPNNFOU
36. l ίϛϡχςΟͱ͸୭͔ɻ΋ͪΖΜɺ͋ ͳͨͷ͜ͱͩɻ͋ͳ͕ͨίϛϡχςΟ Ͱ͋Γɺ
    ͦΕҎ֎ʹίϛϡχςΟ͸ ͍ͳ͍ɻ͋ͳͨͷΑ͏ͳਓʑͷू·Γ ΛɺίϛϡχςΟͱݺͿͷͩɻ IUUQTNBHB[JOFSVCZJTUOFUBSUJDMFT'PSF8PSEIUNM