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Fukuoka.LT Ԭͷ͍ΖΜͳίϛϡχςΟΛूΊΒΕΔ͚ͩूΊͯ߹ಉLTେձ HAKATA.swift ͍ͨΔ Fizz BuzzͰ (ͪΐͬͱ) Θ͔Δؾ͕͢ΔSwift
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ࠂ
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Swift Days Fukuoka 1݄24(ۚ)~26()
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ͳʹͦΕʁ
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Swift iOS ίϛϡχςΟ ߹ಉษڧձ
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5ίϛϡχςΟ ࢀՃ
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HAKATA Test Night
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HAKATA TEST NIGHT
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Swift ෮शձ
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Swift Ѫձ
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Mr.סഋʔࣣౡ͞Μ
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Θ͍Θ͍swiftc
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1݄24(ۚ)~26()
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1݄24(ۚ)~26()
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ॴ
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͜͜ LINE Fukuoka
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͝ࢀՃ͍ͩ͘͞
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͞Βʹ
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try! Swift 2020 Tokyo
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try! Swift 2020 Tokyo
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ࣗݾհ
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͗͢ͱ ͍ͨΔ @itaru_sugimoto ͍ͨΔΜ Money Forward, Inc. υϧϮλ ίϯΧϑΣ
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ͬͱຊฤ
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Fizz BuzzͰ (ͪΐͬͱ) Θ͔Δؾ͕͢ΔSwift
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FizzBuzz?
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3ͰׂΓΕΔ߹ʮFizzʯ 5ͰׂΓΕΔ߹ʮBuzzʯ ྆ऀͰׂΓΕΔ߹ʢ͢ͳΘͪ15 ͰׂΓΕΔ߹ʣʮFizz Buzzʯ Λग़ྗ FizzBuzz ࢀߟ:https://ja.wikipedia.org/wiki/Fizz_Buzz
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͍ͨΔΜ FizzBuzz ͬͯΈͨ
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ॳڃฤ
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let Ͱએݴ͞Εͨม ॻ͖ࠐΊΔͷ1͚ͩ
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CountableClosedRangeܕ ͷൣғࢦఆ
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Ҿ໊ͷলུ // value inলུ
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தڃฤ
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map Ͱ֤ཁૉʹରͯ͠FizzBuzzͷఆΛߦ͍ ݁ՌΛStringͰฦ͢
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reduce ɺྻͷ݁ՌΛ݁߹Ͱ͖Δ
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Computed Properties ฤ
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ܾ·ͬͨΛอ͓࣋ͯ͠ΒͣϓϩύςΟ͕ ݺͼग़͞ΕΔʹܭࢉ͞ΕͯΛऔಘͰ͖Δ
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Tuple ฤ
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ෳͷܕ͔ΒҰͭͷܕΛ࡞Δ͜ͱ͕Ͱ͖Δ ҟͳΔܕΛ·ͱΊΒΕΔͷ͕ྻͱҟͳΔ
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ऴΘΓ
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Summary • Property ͍ํ৭ʑʂʂ • map tuple , enum ͳͲศརͳੑ࣭͕͍ͬͺ͍ʂ • ଞʹ compactMap, flatMap ʂʂ • SwiftyͱԿ͔ʁʁʁ • ͬͱΓ͍ͨͱࢥͬͨํɾɾɾ
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Swift Days Fukuoka 1݄24(ۚ)~26()
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͝ࢀՃ͍ͩ͘͞
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Thank you