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実践「Clean Coder」
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ryosk7
November 21, 2025
Technology
29
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実践「Clean Coder」
Shinjuku.rb #100 登壇資料
ryosk7
November 21, 2025
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Transcript
࣮ફʮ$MFBO$PEFSʯ SZPTL 4IJOKVLVSC
SZPTLͱਃ͠·͢ ϑϦʔϥϯεͰ͢ 3PQQPOHJSCͷओ࠵Λ͍ͯ͠·͢ ຖ݄ୈ༵ʹ։࠵͍ͯ͠·͢ 9ϑΥϩʔ͓ͪͯ͠·͢
4IJOKVLVSCճ͓ΊͰͱ͏͍͟͝·͢ʂ🎉 ݄͔ΒճࢀՃ͍ͯ͠·ͨ͠ʂ
ճதճ͕-5ࢀՃͰͨ͠ ͚Μͳ͍͞ΜͷϦϓͰ-5औΕ·ͨ͠ ͋Γ͕ͱ͏͋Γ͕ͱ͏🫶
ࠓճʮΤϯδχΞʹͳΓͨͯͷࠒʹӨڹΛड͚ͨࢀߟॻʯ ʹԊ͓ͬͯ͠͠·͢ɻ
ḪΔ͜ͱɺ৽ଔ࣌
ϚονϯάΞϓϦͷձࣾʹస৬͠ɺ ΞϓϦͷΠϕϯτػೳΛ͞ΕΔ͜ͱ ʹͳΓ·ͨ͠ɻ
ήετ͕Ωϟετʹରͯ͠ɺΪϑτΛૹΔػೳ͕͋Γɺͦͷ׆ಈΛ Γ্͛ΔͨΊʹɺΪϑτͷϥϯΩϯάΛຖ݄։࠵͍ͯ͠Δɻ ͜ͷϥϯΩϯάͷ༷͕ຖ݄ҟͳΓɺقઅʹԊͬͨΪϑτɺΞϓϦ ͷݟͨΛ࡞Δඞཁ͕͋ͬͨɻ ͞Βʹɺ࣌ΠϕϯτػೳΛϢʔβʔʹఆணͤ͞ΔͨΊʹɺ ຖ݄ʮͩ͜ΘΓʯͷΪϑτػೳ͕ొ͍ͯͨ͠ɻ ʮΠϕϯτʯػೳ
ྫ͑ɺɺ •ΪϑτΛૹͬͨΒ͓Έ͘͡ʹͳ͍ͬͯͯɺେ٢ɺத٢ɺখ٢ͱग़ͯ ͘Δɻ ͷͪʹϥϯμϜΪϑτͱݺΕΔΑ͏ʹͳΔ •Ωϟετ͔ΒΪϑτͷΑ͏ͳͷ ๏తʹΪϑτͰͳ͍ ΛଃΒ ΕͯɺීஈͷϥϯΩϯάͱผͷϥϯΩϯάͰڝ͏͜ͱ͕Ͱ͖Δ •ΪϑτΛૹΔͱɺΞχϝʔγϣϯ͕ඈͼग़͢
•FUD 🎁
ΠϕϯτظΛઈରʹकΒͳ͚ΕͳΒͳ͍ ⏰
࠷ॳͷ͜ΖɺʮͪΐͬͱؤுΕͰ͖ͦ͏ɻɻʂʯ ͩͬͨͷ͕ɺ ͩΜͩΜʮప͢ΕͰ͖ͦ͏ɻɻʂʯʹมΘ͍ͬͯͬ ͯɾɾɾ
ڧ͍ਫ਼ਆྗ͕ඞཁʹͳ͍ͬͯͬͨɻ
ͦΜͳ࣌ɺ࣌ͷ্͔࢘ΒҰͷຊΛનΊΒΕΔɻ
ʮ$MFBO$PEFSʯ
ʮࠓͳ͔ͳ͔ಡΉ࣌ؒͳ͍ͩΖ͏͔Βɺ ষͱষ͚ͩͰͥͻಡΜͰཉ͍͠ʂʯ ͱݴΘΕɺͱΓ͋͑ͣষ͚ͩಡΜͰΈͨɻ
ͦͷ༰ͱɺ
ষʰʮϊʔʯͱݴ͏ʱ
None
•ਖ਼͍͠ʮΠΤεʯΛݴ͏ʹʮϊʔʯڪΕͣʹݴΘͳ͚Ε ͍͚ͳ͍ɻ •ʮࢼ͠ʹͬͯΈΔʯʹ͞·͟·ʹҙຯ͕͋Δɻචऀʮ༨ ͳࣄΛ͢Δʯͱଊ͍͑ͯΔɻ •ʰ͠ࢼ͠ʹͬͯ͏·͍ͬͨ͘߹ʮྗΛԹଘ͍ͯͨ͠ʯ ͜ͱʹͳΔɻͭ·Γࢼ͠ʹͬͯΈΔͱ͍͏ͷޭΛଋ͢ Δ͜ͱͳͷͩʱ
͜ͷষΛಡΜͰ͔Βɺੵۃతʹ ʮϊʔʯΛݴ͏Α͏ʹͨ͠ɻ
ʮ͜ͷػೳؒʹ߹Θͳ͍ʂ֎ͦ͏ʂʯ ʮ༷͕ܾఆ͢Δͷ͕ΕͯɺσβΠϯͷ͜ͱߟ͑ Δͱ࣮ظؒ͜ͷ͘Β͍ͩɻ ͜ͷظʹؒʹ߹Θͳ͍͔ΒϦϦʔεΛมߋ͠Α͏ʯ
͜ͷ݄ɺΠϕϯτ։ൃ͏·͘ճ͍ͬͯΔΑ͏ʹʮΈ͑ͨʯ
͔͠͠ػೳݮر͢ΔϦϦʔε͔ΒζϨ ͨ͜ͱͰɺྲྀ௨ΠϯύΫτલ݄ൺͰԣ͍ͱ ͳͬͯ͠·ͬͨɻ
͜ͷݪҼͳΜͩͬͨͷ͔ɻɻ ͦͷ͑ষʹ͋ͬͨɻ
ষʰʮ:FTʯͱݴ͏ʱ
None
/P͕ඞཁͳঢ়ଶ ͏·͍͔͘ͳ͍ঢ়ଶ ͱ •୭͔ʹͬͯΒ͓͏ͱࢥ͍ͬͯΔ ◦ଋͰ͖ΔͷࣗͰશʹ੍ޚͰ͖Δͷ͚ͩ •Ͱ͖Δ͔Ͳ͏͔Θ͔Βͳ͍ ◦Ͱ͖Δ͔Ͳ͏͔Θ͔Βͳ͍ͷͰ͋Εɺͦͷඪʹۙͮ͘ߦಈΛ͠Α͏ •࣌ؒʹؒʹ߹Θͳ͍͜ͱ͕͋Δ ◦༧ظͤ͵͜ͱ͋ΔɻͦΜͳ࣌ɺͰ͖Δ͚ͩૣ͘ظΛมߋ͢Δ͖ ͩɻ
ଋͷݴ༿ •ʙ͢Δඞཁ͕͋Δɾʙ͠ͳ͚Ε͍͚ͳ͍ •ʙ͢Δͱ͍͍Μ͚ͩͲɾʙ͍ͨ͠ •ʙ͠·͠ΐ͏ɾʙΓ·͠ΐ͏
͜ͷݴ༿૬खʹଋͱظΛͨΒ͢ɻ༷ͦͷͷ ΛΔͷͰͳ͘ɺϏδωεϝϯόʔ͕ •ʮͳͥʯ͜ͷ༷ʹͩ͜Θͬͨͷ͔ •ʮͳͥʯ͜ͷϦϦʔεʹͩ͜Θͬͨͷ͔
ຊ࣭Λཧղ͠ɺ ɾ͜ͷํ๏ͩͬͨΒ͜ͷମݧ͕Ͱ͖ͦ͏ ɾطଘػೳΛ͏·ͬͯ͘ӡ༻ͯ͠ΈΑ͏ ͱ͍ͬͨίϛϡχέʔγϣϯʹ͔Θͬͨɻ ˞͔͠͠ݱ࣮͙͢ʹྲྀ௨͕Α͘ͳΔΘ͚Ͱͳ͍
৽ଔͰཧղͨ͠ίϛϡχέʔγϣϯͷͰͨ͠
͓ΘΓ