tohoku again - Speaker Deck

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͠͹Β͓͘଴͍ͪͩ͘͞ ✓ ͝ཡͷεϙϯαʔͷఏڙ ʹΑΓ͓ૹΓ͠·͢

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Tohoku Again seki@ruby-lang.org

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@m_seki Rubyίϛολ JaSST౦๺Ωʔϊʔτ ϓϩͷલ࠲ ໦༵ʹདྷ೔

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Agenda ͓͞Β͍ νʔϜͷ࠶ฤͱςελʔͷϩʔϧ ظ଴͢ΔޮՌ

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͓͞Β͍ ιϑτ΢ΣΞςετͱೋͭͷଶ౓ Checking Testing

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ιϑτ΢ΣΞςετ ΤϥʔΛൃݟ͢Δ໨తͰϓϩάϥϜΛ࣮ߦ͢Δաఔ͕ ςετͰ͋Δɽ (ιϑτ΢ΣΞͷ৴པੑ p.194)

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Checking ط஌ͷ໰୊Λ֬ೝ͢Δ ςετέʔεʹԊͬͯνΣοΫ ؙ͚ͭ ࡞ۀత

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Checking ʮઃܭʯͷผදݱ ઃܭͷ໰୊͸ݟ͔ͭΒͳ͍

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Testing ະ஌ͷ໰୊Λ୳͢ ςετέʔεҎ֎ͷ͜ͱ΋͢Δ όπ͚ͭ ૑଄త

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͠͹Β͓͘଴͍ͪͩ͘͞ ✓ ͓͞Β͍͓ΘΓ ✓ ೋͭͷଶ౓ ✓ ࣍͸ςελʔͷϩʔϧ

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νʔϜ࠶ฤ ৽ਓ௥Ճ ৽ଔɾ։ൃऀ ଞνʔϜ͔ΒͷҠ੶ɾςελʔ ϩʔϧͷ࠶֬ೝ

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։ൃऀͷϩʔϧ ཉ͍͠΋ͷΛ࣮ݱ͢Δਓͨͪ ࢓༷Λ۩ମతʹ͢Δ ࣮૷Λߟ͑Δ ϓϩάϥϜΛॻ͘ɾ௚͢ ςετ͢Δ

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ςελʔͷϩʔϧ ཉ͍͠΋ͷΛ࣮ݱ͢Δਓͨͪ ࢓༷Λ۩ମతʹ͢Δ ࣮૷Λߟ͑Δ ϓϩάϥϜΛॻ͘ɾ௚͢ ← ͕͜͜ͳ͍ ςετ͢Δ

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ςελʔͷϩʔϧ ϓϩάϥϜॻ͔ͳ͍͚ͩͰ͋ͱ͸ಉ͡ ։ൃऀʹൺ΂.. ؾʹ͔͚ΒΕΔྖҬ͕޿͍ɾਂ͍ ͦͷ݁ՌʮΑ͍੡඼ʯͷج४ΛΠϝʔδ ख৮ΓɺػೳɺੑೳɺҰ؏ੑ

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ঢ়گɾิ଍ ͢Ͱʹϕςϥϯͷςελʔ͕Ұ໊͍Δ ඇৗʹ༏ल ࠶ฤͰςελʔ͕ೋഒʹͳΔ

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ظ଴͞ΕΔޮՌ ૿͑ͭͭ͋Δ։ൃྔʹରԠͰ͖Δ ͦͷ͘Β͍͔ͳͬͯ૝૾ͯͨ͠

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ظ଴ͱҧͬͨ ։ൃྔʹରԠͰ͖͚ͨͲͦΕ͚ͩ͡Όͳ͔ͬ ͨ

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ςελʔͷνʔϜԽ ςελʔͷಉ྅͕͍Δ͜ͱͷޮՌ ҟมΛೝ͔ࣝͯ͠Β֬৴ʹมΘΔ·Ͱͷ ͕࣌ؒ୹ॖ͞Εͨ ࠶ݱͤͣ ͰऴΘΔέʔε͕ݮͬͨ ݟ͔ͭΔόά͕ଟ༷Խͨ͠ ͻͱΓͻͱΓɺ͏·͞ͷछྨ͕ҧ͏

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։ൃऀ✖ςελʔͱ͸ҧ͏ʁ ςελʔ✖ςελʔͷ൓ԠΛ؍ଌͨ͠ ։ൃऀͱςελʔͷϩʔϧ͸΄΅ҰॹͰ͋Δ ։ൃऀ✖ςελʔͰ΋ಉ͡ޮՌͱͳΔʁ

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։ൃऀ✖ςελʔͱ͸ҧ͏ʁ ಉ͡ޮՌ͸͋ͬͨͱࢥ͏ Ͱ΋ࠓճͷςελʔ✖ςελʔͷํ͕ޮՌ͕ ݦஶͩͬͨ Testingͷ๧ࢠΛ͔ͿΔ͕࣌ؒ௕͍͔Βʁ ಉཱ͡৔ͷਓ͕͍Δ͔Βʁ

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·ͱΊʹ͔͑ͯ ࣍͸৽ਓͷςελʔΛ঺հ͠·͢

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ςελʔ͕͘Δʂ ͱ͍͏ΑΓ৽ਓ͕͘Δ νʔϜΛཧղͯ͠΋Β͏ ੡඼Λཧղͯ͠΋Β͏ ډ৔ॴΛͭ͘Δ

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৽ਓҭ੒࡞ઓ جૅ νʔϜΛ֮͑ͯ΋Β͏ ேձʹࢀՃ ϕςϥϯͱϖΞςετ ேձ௚ޙʹೋ࣍ձ Θ͔Βͳ͔ͬͨݴ༿ɺؾʹͳͬͨ͜ͱ

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৽ਓҭ੒࡞ઓ جૅII ੡඼Λ֮͑ͯ΋Β͏ جຊૢ࡞ɺͦͷଞͷϧʔνϯ ϕςϥϯͱϖΞςετ ੡඼ͷՁ஋ΛཧղͰ͖ΔΑ͏ʹ શମͷߏ੒͕΅΍ͬͱ૝૾Ͱ͖ΔΑ͏ʹ Ϗϧυɺίʔυొ࿥ͷମݧʢϓϩάϥϚʣ

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৽ਓҭ੒࡞ઓ Ԡ༻ ಘҙͳػೳΛ࡞Δ Ͳ͔͜ҰͭΛબͼ͏·͘ͳͬͯ΋Β͏ ࣗ৴ͱଚܟ ಘҙͳͱ͜ΖΛ૿΍͢