Getting Started with Swift WebAssembly

iOSDC 2019

Transcript

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8. --7.ͱ4XJGUͷؔ܎ SwiftಠࣗͷLLVMଐੑ https://github.com/apple/swift-llvm • swiftself • swifterror 8
9. 5ISPXTͳؔ਺ݺͼग़͠ typealias NonThrowableFunc = () -> Void typealias ThrowableFunc = () throws -> Void let f: NonThrowableFunc = {} let g: ThrowableFunc = f try g() 9
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11. ϥϯλΠϜදݱ
    4XJGU෩ typealias NonThrowableFunc = () -> Void typealias ThrowableFunc = (inout Error) -> Void let f: NonThrowableFunc = {} let g: ThrowableFunc = f var error: Error try g(&error) Ҿ਺ͷ਺͕૿͑ͯΔ https://speakerdeck.com/omochi/swiftfalseguan-shu-xing-falseshi-xing-shi-biao-xian 11
12. TXJGUFSSPSͱ8"4.ϥϯλΠϜ ؔ਺ݺͼग़࣌͠ͷγάωνϟνΣοΫ -> callerͷݺͼग़ͦ͏ͱ͍ͯ͠Δγάωνϟͱcallee ͷγάωνϟ͕Ұக͠ͳ͍ͷͰΫϥογϡ https://webassembly.org/docs/security/ 12
13. ରԠࡦ શͯͷؔ਺ʹswifterrorΛ෇͚ͯίʔυੜ੒͢Δɻ https://github.com/apple/swift/pull/24684#issuecomment-491487863 13
14. ·ͱΊ • LLVMΛ࢖͍ͬͯͯ΋؆୯ʹ͸͍͔ͳ͍ • SwiftͷWASMରԠ͸΋͏গ͠଴ͬͯͶ 14