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SE-XXXX Function Builders を読み解く / Reading the spec of Function Builders
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Kuniwak
PRO
July 08, 2019
Programming
5
900
SE-XXXX Function Builders を読み解く / Reading the spec of Function Builders
Kuniwak
PRO
July 08, 2019
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Transcript
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6 @TupleBuilder func build() -> (Int, Int, Int) { 1
2 3 } func build() -> (Int, Int, Int) { let _a = 1 let _b = 2 let _c = 3 return TupleBuilder.buildBlock(_a, _b, _c) } 'VODUJPO#VJMEFST্ΛԼʹίϯύΠϥ͕มܗ͢Δ༷ʢະ֬ఆʣ
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10 4XJGU8FEOFTEBZൃͷ4XJGUͷߩݙ
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https://forums.swift.org/t/important- evolution-discussion-of-the-new-dsl- feature-behind-swiftui/25168 12 TXJGUFWPMVUJPOͰͷެ։ͱಉ࣌ʹGPSVNQPTU͞ΕͨίϝϯτͰ͢ɻ
https://github.com/apple/ swift-evolution/pull/1046 13 TXJGUFWPMVUJPO্Ͱ࠷৽ͷͷΛѻ͍·͢ɻ͔ͨ͠͠Β GPSVNͰ͞Βʹ͕ٞਐΜͰ͍Δ͔͠Ε·ͤΜ͕͝༰͍ࣻͩ͘͞ɻ
https://docs.swift.org/swift- book/ReferenceManual/ AboutTheLanguageReference.html 14 TUBUFNFOUFYQSFTTJPOΛΔͨΊͷࢿྉͰ͢ɻ
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15