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toteka05 panel / phrase
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Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
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seki at druby.org
May 12, 2018
Programming
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toteka05 panel / phrase
toteka05のパネル、後半のフレーズ編の資料の抜粋です。
seki at druby.org
May 12, 2018
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Transcript
ཧͷ։ൃݱ ʙ΄Μͱʹ͋ͷνʔϜɺ͋ΔΜͩΑʙ اըηογϣϯʰࣗըࣗࢌʱ͔Βฤ
ཧͷ։ൃݱʙ΄Μͱʹ͋ͷνʔϜɺ͋ΔΜͩΑʙ ୈҰ෦ʰࣗըࣗࢌʱ֎͔Βฤʢʣˡ/FXʂ ֎ଆ͔Βʮ͋ͷνʔϜʯΛݟͯΈΑ͏ʂ ύωϧσΟεΧογϣϯ ٳܜʢʣ ୈೋ෦ʰࣗըࣗࢌʱ͔Βฤʢʣˡ࠶ԋ ଆ͔Βʮ͋ͷνʔϜʯΛݟͯΈΑ͏ʂ ෮։ൃͰհ͢Δʮ͋ͷνʔϜʯ Α͘͏ϑϨʔζ͔ΒɺνʔϜͷՁ؍Λײ͡Α͏
$PPLQBE5FDI,JUDIFO ɹʙཧͷ։ൃݱͷʮ;ͭ͏ʯͷ͓ʙ ʮ͋ͷνʔϜʯ͕ɺࠒΑ͘͏ϑϨʔζΛͬͯ ͋ͷνʔϜͷʮʯΛ࠶ݱ͠·ͨ͠
࠶ԋ ͱ͖ͬͯͯ͢ͳΠϕϯτͩͬͨͷͰ࠶ԋ͠·͢ ࣗըࣗࢌʂ ϑϨʔϜϫʔΫͦͷ··͏͚Ͳɺ༰ˋ͘Β͍৽ͨ͘͠͠ʂ
෮։ൃͰհ͢Δʮ͋ͷνʔϜʯ Θ͔ͬͨʁ ͜͜·Ͱʢ͕࣌ؒ͋·ͬͨΒ࣭Λड͚͚Δʣ ࣍ʮ͋ͷνʔϜʯ͕Α͘͏ϑϨʔζ͔ΒɺνʔϜͷՁ؍Λײ͡Α͏ɺͰ͢
ʮ໌͔ΒΒͰग़དྷͦ͏ͱࢥͬͯΒ͑Δ ͕ྑ͍ͱࢥ͍·͢ɻʯ Θͨͦ͠͏ࢥ͏ʂ ؔ͘Μͷɺฉ͍ͯΑ͘Θ͔Βͳ͍ͷɺਓྨ͕ؔ͘Μʹ͍͍ͭͯͳ͍͔Β͔ ͠Εͳ͍͚Ͳɺνϣοτলͯ͠Β͓͏
ল ͜Ε·ͰɺνʔϜΛ၆ᛌͯ͠։ൃͷྲྀΕʢ෮։ൃɺ ׂ࣌ؒͷ͜ͱɺϓϩηε͕มԽ͢ΔͨΊͷ͔͚͠ʣ Λใࠂ͖ͯ͠·ͨ͠ Ͱɺ͜ΕͰ͖͕͋ͬͨνʔϜͷ༷ࢠΛઆ໌ͨ͠ ͚ͩͰ͢ ʢಡΜͩΓฉ͍ͨΓ͚ͨͩ͠ͰɺͰ͖ΔΘ͚ͳ͍ͩΖʂʣ
νʔϜ͕νʔϜʹͳΔաఔΛࢥ͍ฦͯ࣍͠ͷΑ͏ʹ ԾઆΛཱͯ·ͨ͠ Λղܾ͍ͯ͘͠࠷தʹ͓͜Δʮখ͞ͳձʯ͕ ʮΑ͍νʔϜʯΛ͔ͨͪ࡞ΔʢͷͰͳ͍͔ʂʣ ͔ͬ͜Α͘ݴ͏ͱνʔϜͷՁ؍ɹ ϑϨʔζˠ;Δ·͍ˠՁ؍ Ծઆ
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ࡐ ࣄͷΓํ ʮ͏·͍ͬͨ͘ΒͲ͏ͳΔͷʁʯˡ࠶ԋ ʮૣ͘ݟ͔ͭͬͯΑ͔ͬͨͶʔʯˡ/FXʂ ʮ࠶ݱͤͨ͞ΒɺΘ͔Δͷʁʯˡ/FXʂ ʮΘ͔Μͳ͍ʯˡ/FXʂ ࠓ͜ΜͳࡐΛͬͯɺͲΜͳྑ͍͜ͱ͕͋Δͷ͔ɺ༻͢Δঢ়گͳͲΛհ ͠·͢ɻ Έͳ͞ΜͷνʔϜ৫ͰࣅͨΑ͏ͳঢ়گʹͳͬͨ࣌ɺͲΜͳ͜ͱ͕ى͖Δͷ͔ɺ Έͳ͞ΜͲ͏ߦಈ͍ͯ͠Δͷ͔ɺ಄ͷதͰߟ͑ͳ͕Βฉ͍͍ͯͩ͘͞Ͷɻ
ͻͱͭͷςʔϚɻ
ʮ͏·͍ͬͨ͘ΒͲ͏ͳΔͷʁʯ ͜Μͳྑ͍͜ͱ͕ى͖Δ ΰʔϧ͕Θ͔Δ ͔֬ΊΔํ๏͕Θ͔Δ ΰʔϧ·Ͱͷεςοϓ͕Θ͔Δ ͏·͘໎͑Δ ʮ˓˓͕Θ͔Δʯ݁ՌͰ͚͢ΕͲɺ͜ͷϑϨʔζ͕τϦΨʔͱͳΓʮԿ͕Θ͔͍ͬͯͯɺ Կ͕Θ͔Βͳ͍ͷ͔ʯ͕໌Β͔ʹͳΓ·͢ͶɻͦͷޙɺΘ͔ΔͨΊͷ׆ಈ͕ߦΘΕɺͦͷ݁ ՌʮΘ͔ΔʯΑ͏ʹͳΔͱ͍͏͜ͱͰ͢ɻʮ͏·͘໎͑Δʯͱ͍͏ͷɺͪΐͬͱઆ໌͕ ͍͠ͷͰ͕͢ɺΰʔϧ·ͰͷԾઆΛཱͯͯஈ֊తʹղ͘ΜͰ͢Ͷɻͦ͏͢Δͱؒҧ͍ʹؾ͕
͖ͭ͘͢ͳΔɻ࠷ޙͷ࠷ޙʹͳͬͯ͏·͍͔͘ͳ͍͜ͱ͕͔ͬͯɺ࿏಄ʹ໎ͬͯ͠·͏͜ ͱ͕ى͖ͳ͍Α͏ʹͳ͍ͬͯΔɻ͔ͩΒɺઓུతʹؒҧ͑ΒΕ·͢ɻ҆৺ͯ͠໎͑ΔΜͰ͢Ͷɻ
ʮ͏·͍ͬͨ͘ΒͲ͏ͳΔͷʁʯ ঢ়گ ˓˓ͷௐࠪΛ͠·͢ ༷Λ˓˓͞Μʹ֬ೝ͠·͢ ετʔϦʔͷλΠτϧ͕ʮ˓˓ػೳͷ࣮ʯ ˓݄˓ʹϦϦʔε͠·͢ ϨάϨογϣϯςετɺ˓˓ςετɺɺɺ ߟ͑ͯΈΑ͏
ୈᶜ෦ɹຊਓࣥචऀʹΑΔνʔϜϦʔμʔγοϓʹ͍ͭͯΔ͖͜ͱ ষɹϦʔυʹ͍ͭͯ ؔকढ़ ষɹҰॹʹͰ͖ΔϦʔμʔΛҭͯΑ͏ ঙ࢘Յ৫ ষɹ͏·͍ͬͨ͘ΒͲ͏ͳΔͷ ؔকढ़ ࠓձʹɺΑ͓͠Γ͘Μ͍ΔͣͩΑʂɹຊΛ͖࣋ͬͯͨਓαΠϯΛΒ͓͏ʂ
ʮૣ͘ݟ͔ͭͬͯΑ͔ͬͨͶʔʯ ͜Μͳྑ͍͜ͱ͕ى͖Δ ҟมʹҰૣ͘ؾ͚ͮΔΑ͏ʹͳΔ Ξϯςφͷछྨɺߴ͞ɺײ͕มΘͬͯ͘Δ Կ͔͕ରʹͳΔ ͲΜͳܴ͞ΕΔ ͓͔͍͠ɺͱࢥͬͨΒɺ᪳ͤͣݴ͑ΔΑ͏ʹͳΔ ໌͡Όͳͯ͘Α͔ͬͨʂࠓɺରԠͰ͖ΔͷͰ͔͢Βɻ͍ͭͰʮࠓʯ͕Ұ൪ૣ͍ΜͰ͢ɻ όάΛݟ͚ͭΒΕͨ΄͏ʢଟ͘ϓϩάϥϚʣɺͲΜͳؾ࣋ͪͳͷ͔ͳʁݟ͚ͭͨ΄͏ ʢૣ͘ݟ͚ͭΒΕͯΑ͔ͬͨͳʣͱخ͘͠ͳΓ·͢ɻ͔ͩΒɺ͓͔͠͞Λݟ͚ͭΔͱɺҰૣ
͘୭͔ʹͨ͘͠ͳͬͯ͠·͏ΜͰ͢ɻ࣮͜ΕɺόάΛݟ͚ͭͨͱ͖͚ͩͰͳ͍ΜͰ͢Αɻ ͓͔͠ͳ࣮Λݟ͚ͭͨͱ͖ɺ͏ͪͷνʔϜͷʓʓ͞ΜͱɺྡͷνʔϜͷʓʓ͞Μɺ͓ޓ͍ ʹίϯϑϦΫτͯͦ͠͏͡Όͳ͍ʁͳͲͳͲɺ։ൃதʹى͖ΔɺԿ͔͕ରͰ͢ɻ
ʮૣ͘ݟ͔ͭͬͯΑ͔ͬͨͶʔʯ ঢ়گ όά͕ݟ͔ͭͬͨʢ͜ΕɺΘΓͱॏେͳͭͩʣ ։ൃऴ൫ʂͰ͓͔͠ͳಈ͖Λݟ͚ͭͪΌͬͨ ·͍ͣɺ͜Ε͡Όؒʹ߹Θͳ͍ͷͰ ΤΞίϛοτ ༁ൃϛε ߟ͑ͯΈΑ͏
ʮ࠶ݱͤͨ͞ΒɺΘ͔Δͷʁʯ ͜Μͳྑ͍͜ͱ͕ى͖Δ ४උͰ͖ͯΔ͔Ͳ͏͔͕Θ͔Δ ௐ͕ࠪͲΕ͘Β͍ਐΜͰ͍ΔΜͩΖ͏ Ͳ͏͍͏෩ʹௐࠪ͢Ε͍͍ΜͩΖ͏ ʮ͖͋ΒΊͳ͍ʯͷڧ͍ҙࢥͷද໌ ͭΒΕͯʮ͖͋ΒΊͳ͍ͧʯͱࢥ͏ਓ͕ग़ͯ͘Δ ͍ͭ͘ͷෳࡶͳ͕݅ॏͳͬͯɺͳ͔ͳ͔࠶ݱͰ͖ͳ͍όάɺ͋Γ·͢ΑͶɻ࠶ݱ͠ͳ͍ͱ Θ͔Βͳ͍͜ͱ͕͋Δͷࣄ࣮Ͱ͕͢ɺ࠶ݱͤͨ͞ΒɺԿ͔Θ͔Γ·͔͢ʁԿ͕Θ͔Γ·͢ ͔ʁ͜ͷ͍Λ͢Δ͜ͱͰɺ͠࠶ݱͨ͠ͱ͖ʹɺͦͷঢ়گʢ֚ʣΛݟͯɺͲ͜·Ͱௐࠪ
͕ਐΉͩΖ͏͔ɺόάΛ͓ܴ͑͢Δ४උͰ͖͍ͯΔͷͩΖ͏͔ɺΛߟ͑Δ͜ͱ͕Ͱ͖·͢ɻ ͋ͱͶɺ࠶ݱͰ͖ͳ͍όάͬͯɺ͖͋ΒΊͪΌ͏͜ͱ͕͋ΔΜͰ͢ΑͶɻଞʹղ͔ͳ͖ΌͳΒ ͳ͍ʹӅΕͯ͠·͏ɻʮ࠶ݱͤͨ͞ΒɺΘ͔Δͷʁʯʢͦ͏؆୯ʹ͖͋ΒΊͳ͍͚ Ͳɺେৎʁʣͱ͍͏ڧ͍ҙࢥͷදΕͰ͋Γ·͢ɻ͜ΕɺνʔϜʹછ͢ΔΜͰ͢Αɻ
ʮ࠶ݱͤͨ͞ΒɺΘ͔Δͷʁʯ ঢ়گ ϓϩάϥϚʮ࠶ݱ͠ͳ͍ͱɺΘ͔Βͳ͍Ͱ͢ʯ ʢ͜Εͳ͔ͳ͔࠶ݱ͠ͳ͍͔ͳ͊ʜʣ ඇ࠶ݱʢ࠶ݱͪʣͰஔ͍͚ͯ΅Γͷνέοτ͕͋Δ ߟ͑ͯΈΑ͏
ʮΘ͔Μͳ͍ʯ ͜Μͳྑ͍͜ͱ͕ى͖Δ ॠ࣌ʹҧײΛ ࣗͷҟৗͱͯ͠ ͑Δ͜ͱ͕Ͱ͖Δ ͳͥΘ͔Βͳ͍͔ΛΈΜͳ͕Ұ੪ʹߟ͑ɺ࢝͠ΊΔ େͷ߹ɺ՝ʢʣ͕ݟ͔ͭΔ ͕ࣗΘ͔Βͳ͍ͷɺΈΜͳͷͩʂͱࢥ͑ͯؾָ͕ ʮΘ͔Μͳ͍ʯνʔϜͷதͰʮࣗʯʹҟৗ͕͋Δ͜ͱΛ͑·͢ɻʮΘ͔Μͳ͍ʯͷ ࣗͰ͕͢ʮΘ͔Βͳ͍ʯͱݴͬͨॠؒʹɺΈΜͳͷʹมԽ͠·͢ɻͳʹ͕Θ͔Βͳ͍
ΜͩΖ͏ɺͦΕͳͥͩΖ͏ɺ࡞ઓʗ༷ʗઃܭʹͳʹ͔ൈ͚͕͋Δͷ͔ɻ͔͍͍ͬ͜͜ ͱݴͬͯΔ͚Ͳɺ۩ମతʹͳʹ͍͍͔ܾͯ͠·ͬͯͳ͍ͧʂͱ͔ɻͦ͏ͦ͏ɻ࣮ΈΜͳΘ ͔Βͳ͔ͬͨΓͯ͠ʂ
ʮΘ͔Μͳ͍ʯ ঢ়گ Θ͔Βͳ͍ͱ͖ ࡢڭΘͬͨͷʹɺͬͺΓΘ͔Βͳ͍ पΓͷਓᰐ͖ͳ͕Βฉ͍ͯΔΜ͚ͩͲ ࣗͷ୲ͳͷʹ ΈΜͳͦ͏ͯ͠Δ͚Ͳʢޙ͔ΒνʔϜʹࢀՃʣ ͔͍͍ͬ͜Λ͖͍͚ͨͲɺᡰʹམͪͳ͍ͱ͖ ߟ͑ͯΈΑ͏
͏·͍ͬͨ͘Β Ͳ͏ͳΔͷʁ ͳʹͯ͠Δͷʁ ͳΜͰ ΔΜ͚ͩͬʁ Ͱ͖ͦ͏ʁ ͳΜͰ ΔΜ͚ͩͬʁ ૣ͘ݟ͔ͭͬͯ Α͔ͬͨͶʔ
Γͨ͘ͳ͍ͷʁ ͳΜͰͰ͖Δͱ ࢥ͏ͷʁ ࣗͰ৮ͬͯ Έͨʁ ଟܾͰܾΊΔʁ ࠶ݱͤͨ͞Β Θ͔Δͷʁ ͳʹ͕େࣄ͡Ό ͳ͍ͷʁ Ͳ͕ࣗ͜৴ ͋Δͷʁ ͕ΜΒͳ͍Ͱʂ Έͤͯ Θ͔Μͳ͍ ʮ͋ͷνʔϜʯ͕ɺࠒΑ͘͏ϑϨʔζʢࠓ͜ͷ̐ͭʣΛͬͯʮ͋ͷνʔϜͷʯΛ࠶ݱͨ͠Αɻ
ʮ໌͔Βग़དྷͦ͏ʁʯ Θ͔Μͳ͍ʁ
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