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コードレビューを通す技術 / technique to pass code review
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oohira
April 23, 2019
Programming
1
97
コードレビューを通す技術 / technique to pass code review
oohira
April 23, 2019
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Transcript
ίʔυϨϏϡʔΛ௨ٕ͢ज़ ϏΞόογϡ-5!PPIJSB
എܠ • ਓΑΓίʔυϨϏϡʔΛࣄͱ͢Δ͕͍࣌ؒ • ͬͱ͜͏ͯ͘͠ΕͨΒΑ͍ͷʹͱ͍͏ࢥ͍ • ϨϏϡʔΞʔͷߟ͍͑ͯΔ͜ͱΛ͑Δ͜ͱͰ ϨϏϡʔΠʔͷॿ͚ʹͳΔͷͰ 2
໔ • ϨϏϡʔΞʔͷҙݟʹݸਓ͕ࠩ͋Γ·͢ • ݱࡏʢ·ͨաڈʣҰॹʹࣄΛ͍ͯ͠Δϝϯ όʔΛ߈ΊΔͷͰ͋Γ·ͤΜ 3
ॳڃฤ
$*Λ௨͢ • ϨϏϡʔΞʔਓؒʹ͔͠Ͱ͖ͳ͍ຊ࣭తͳϨϏϡʔ ׆ಈʹྗ͍ͨ͠ • ελΠϧҧճؼςετػցͷࣄ • ʮ$*͕௨͍ͬͯ·ͤΜʯͱࢦఠ͢Δͷຊస • ͬͯ๙ΊΒΕΔ͜ͱͳ͍͕ɺΒͳ͍ͱϨϏϡʔ
Ξʔʹର͢Δ৴པஷ͕࣮ۚ֬ʹݮΔ 5
$*࣮֬ʹ௨͔ͯ͠Β ϨϏϡʔґཔΛग़ͦ͏ 6
EJGGΛখ͘͞อͭ • ϨϏϡʔΞʔؔͷͳ͍मਖ਼ʹΛ͍ͨ͘ͳ͍ • ͕ࠩখ͚͞Εૉૣ࣮֬͘ʹϨϏϡʔͰ͖Δ • ϘʔΠεΧτϧʔϧͷΓ͗͢ʹҙ ˠࠞͥ͗͢ΔͱͨΓతͳमਖ਼ʹݟ͑ͯෆ҆ʹ • λεΫ.3Ͱ͋Δඞཁͳ͍
7
·ͣࣗͰEJGGΛ֬ೝ͠Α͏ 8
தڃฤ
.3ΛͪΌΜͱॻ͘ • ϨϏϡʔΞʔίʔυͱಉ͙͡Β͍.3ΛϨϏϡʔ͢Δ • .3ʹUZQPίϐϖϛε͕ଟ͍ ˠίʔυͷม໊໊ؔಉ͡ͳͷ͔ͳʁͱෆ҆ʹ • .3ͷઆ໌֬ೝґཔ͕ࡶ ˠ݅ཏ࣮ͯ͠ɾςετ͍ͯ͠Δͷ͔ͳʁͱෆ҆ʹ •
ίʔυ͑ͪ͞ΌΜͱॻ͚ΕΑ͍ͷͰʁ ˠࣗͷ؍ଌൣғͰ.3ΛͪΌΜͱॻ͚Δ͜ͱͱՁ 10
.3ͷ͍͍Ճݮ͞ ίʔυͷ͍͍Ճݮͩ͞ͱ৺ಘ͑Α͏ 11
ࣄલʹ૬ஊ͢Δ • ϨϏϡʔΞʔϓϩδΣΫτશମͷҰ؏ੑʹؔ৺͕ڧ͍ͨ Ίɺ৽͍͠ύλʔϯͷઃܭ࣮ʹ৻ॏʹͳΔ • .3Λग़͔ͯ͠Β૬ஊ͞Εͯɺ͋Ε͜ΕΓ͠ʹ ͳ͓ͬͯޓ͍ͭΒ͔͞͠ͳ͍ • ࣗͰߟ࣮͑ͯ͢Δͷ͕ϓϩάϥϛϯάͷޣຯͩ ͕ɺํͷೝࣝ߹Θͤૣ͍΄ͲखΓΛݮΒͤΔ
• ࣮ͱϨϏϡʔશʹಠཱͨ͠ϑΣʔζͰͳ͍ 12
ૣ͔͘ΒϨϏϡʔΞʔΛר͖ࠐ͏ 13
্ڃฤ
ඍົͳ࣮Λະདྷʹୗ͢ • ͍ͭᘳͳ࣮͕Ͱ͖ΔͱݶΒͳ͍ • ϨϏϡʔΞʔࠓ͑ΔϦιʔεͱকདྷͷίʔυ࣭ͷ όϥϯεΛͱΓ͍ͨ • ͍͚ͯͳ͍࣮ʹݴ͍༁ίϝϯτΛͨ͠Γɺόάཧ γεςϜʹλεΫΛొͨ͠Γ͢Δ
ˠ ՝͕͍ͬͯΔ͜ͱઌૹΓʹͨ͠ཧ༝͕͔Δ 15
ࠓͰ͖ͳͯ͘কདྷͰ͖Δ ֻ͚Λͦ͏ 16
WTࢲͨͪ • ϨϏϡʔΞʔਓؒͳͷͰɺώʔτΞοϓ͢ΔͱϨϏϡʔ ΞʔWTϨϏϡʔΠʔʹͳΓ͕ͪ • ϨϏϡʔखஈɻϨϏϡʔʹ௨͢͜ͱ͕తͰͳ͍ • ϖΞϓϩϞϒϓϩʹΓସ͑ͨํ͕ૣ͘ऴΘΔ߹ •
్த·ͰΛ͍ͬͨΜϚʔδͯ͠͠·ͬͯΓͨ͠ํ ͕ૣ͘ऴΘΔ߹ 17
νʔϜͱͯ͠λεΫΛ ऴΘΒͤΔํ๏Λ͠߹͓͏ 18
൪֎ฤ
པΉ͔Β4UBSUEJTDVTTJPO͍ͬͯͩ͘͞ • ϨϏϡʔΞʔࢦఠΛͭͣͭ࠶֬ೝ͍͖͍ͯͨ͠ • *TTVF.3ͷίϝϯτதʹεϨουΛ࡞ΕΔ 20
·ͱΊ
ͪΐͬͱͷखؒͰ εϜʔζʹϨϏϡʔΛ௨աͤ͞Α͏ 22