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Fizz Buzz問題で(ちょっと) わかる気がするSwift
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itaru
December 09, 2019
Programming
0
450
Fizz Buzz問題で(ちょっと) わかる気がするSwift
Fukuoka.LT
福岡のいろんなコミュニティを集められるだけ集めて合同忘年LT大会
itaru
December 09, 2019
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Transcript
Fukuoka.LT Ԭͷ͍ΖΜͳίϛϡχςΟΛूΊΒΕΔ͚ͩूΊͯ߹ಉLTେձ HAKATA.swift ͍ͨΔ Fizz BuzzͰ (ͪΐͬͱ) Θ͔Δؾ͕͢ΔSwift
ࠂ
Swift Days Fukuoka 1݄24(ۚ)~26()
ͳʹͦΕʁ
Swift iOS ίϛϡχςΟ ߹ಉษڧձ
5ίϛϡχςΟ ࢀՃ
HAKATA Test Night
HAKATA TEST NIGHT
Swift ෮शձ
Swift Ѫձ
Mr.סഋʔࣣౡ͞Μ
Θ͍Θ͍swiftc
1݄24(ۚ)~26()
1݄24(ۚ)~26()
ॴ
͜͜ LINE Fukuoka
͝ࢀՃ͍ͩ͘͞
͞Βʹ
None
try! Swift 2020 Tokyo
try! Swift 2020 Tokyo
ࣗݾհ
͗͢ͱ ͍ͨΔ @itaru_sugimoto ͍ͨΔΜ Money Forward, Inc. υϧϮλ ίϯΧϑΣ
ͬͱຊฤ
Fizz BuzzͰ (ͪΐͬͱ) Θ͔Δؾ͕͢ΔSwift
None
FizzBuzz?
3ͰׂΓΕΔ߹ʮFizzʯ 5ͰׂΓΕΔ߹ʮBuzzʯ ྆ऀͰׂΓΕΔ߹ʢ͢ͳΘͪ15 ͰׂΓΕΔ߹ʣʮFizz Buzzʯ Λग़ྗ FizzBuzz ࢀߟ:https://ja.wikipedia.org/wiki/Fizz_Buzz
͍ͨΔΜ FizzBuzz ͬͯΈͨ
ॳڃฤ
None
let Ͱએݴ͞Εͨม ॻ͖ࠐΊΔͷ1͚ͩ
CountableClosedRangeܕ ͷൣғࢦఆ
Ҿ໊ͷলུ // value inলུ
தڃฤ
None
map Ͱ֤ཁૉʹରͯ͠FizzBuzzͷఆΛߦ͍ ݁ՌΛStringͰฦ͢
reduce ɺྻͷ݁ՌΛ݁߹Ͱ͖Δ
Computed Properties ฤ
ܾ·ͬͨΛอ͓࣋ͯ͠ΒͣϓϩύςΟ͕ ݺͼग़͞ΕΔʹܭࢉ͞ΕͯΛऔಘͰ͖Δ
Tuple ฤ
ෳͷܕ͔ΒҰͭͷܕΛ࡞Δ͜ͱ͕Ͱ͖Δ ҟͳΔܕΛ·ͱΊΒΕΔͷ͕ྻͱҟͳΔ
ऴΘΓ
Summary • Property ͍ํ৭ʑʂʂ • map tuple , enum
ͳͲศརͳੑ࣭͕͍ͬͺ͍ʂ • ଞʹ compactMap, flatMap ʂʂ • SwiftyͱԿ͔ʁʁʁ • ͬͱΓ͍ͨͱࢥͬͨํɾɾɾ
Swift Days Fukuoka 1݄24(ۚ)~26()
͝ࢀՃ͍ͩ͘͞
Thank you