swift/test/ModuleInterface/async_sequence_conformance.swift at swift-6.0.1-RELEASE · swiftlang/swift · GitHub

Name: swift/test/ModuleInterface/async_sequence_conformance.swift at swift-6.0.1-RELEASE · swiftlang/swift · GitHub
Rating: 4.6 (185 reviews)
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// RUN: %target-swift-emit-module-interface(%t.swiftinterface) %s -module-name conformances
// RUN: %target-swift-typecheck-module-from-interface(%t.swiftinterface) -module-name conformances
// RUN: %FileCheck %s < %t.swiftinterface

// REQUIRES: concurrency, OS=macosx

// CHECK: public struct SequenceAdapte
@available(SwiftStdlib 5.1,*)
publicstructSequenceAdapter<Base:AsyncSequence>:AsyncSequence{
 // CHECK-LABEL: public struct AsyncIterator
 // CHECK: @available{{.*}}macOS 10.15
 // CHECK-NEXT: public typealias Element = Base.Element

 // CHECK: #if compiler(>=5.3) && $AssociatedTypeImplements
 // CHECK: @available(
 // CHECK: @_implements(_Concurrency.AsyncIteratorProtocol, Failure)
 // CHECK-SAME: public typealias __AsyncIteratorProtocol_Failure = Base.Failure
 // CHECK-NEXT: #else
 // CHECK-NOT: @_implements
 // CHECK: public typealias __AsyncIteratorProtocol_Failure = Base.Failure
 // CHECK-NEXT: #endif
publictypealiasElement=Base.Element

publicstructAsyncIterator:AsyncIteratorProtocol{
publicmutatingfunc next()asyncrethrows->Base.Element?{nil}
}

 // CHECK-LABEL: public func makeAsyncIterator
publicfunc makeAsyncIterator()->AsyncIterator{AsyncIterator()}

 // CHECK: @available(
 // CHECK: @_implements(_Concurrency.AsyncSequence, Failure)
 // CHECK-SAME: public typealias __AsyncSequence_Failure = Base.Failure
}

// CHECK: public struct OtherSequenceAdapte
@available(SwiftStdlib 5.1,*)
publicstructOtherSequenceAdapter<Base:AsyncSequence>:AsyncSequence{
 // CHECK: public typealias Element = Base.Element
 // CHECK-NOT: public typealias Failure
 // CHECK: public struct Failure

 // CHECK-LABEL: public struct AsyncIterator
 // CHECK: @available{{.*}}macOS 10.15
 // CHECK: @available(
 // CHECK: @_implements(_Concurrency.AsyncIteratorProtocol, Failure)
 // CHECK-SAME: public typealias __AsyncIteratorProtocol_Failure = Base.Failure
publictypealiasElement=Base.Element

publicstructFailure:Error{}

 // CHECK-NOT: public typealias Failure
publicstructAsyncIterator:AsyncIteratorProtocol{
publicmutatingfunc next()asyncrethrows->Base.Element?{nil}
}

 // CHECK: public func makeAsyncIterator
publicfunc makeAsyncIterator()->AsyncIterator{AsyncIterator()}

 // CHECK-NOT: public typealias Failure
}

// CHECK: public struct MineOwnIterator
@available(SwiftStdlib 5.1,*)
publicstructMineOwnIterator<Element>:AsyncSequence,AsyncIteratorProtocol{
publicmutatingfunc next()async->Element?{nil}
publicfunc makeAsyncIterator()->Self{self}

 // CHECK: @_implements(_Concurrency.AsyncIteratorProtocol, Failure)
 // CHECK-SAME: public typealias __AsyncIteratorProtocol_Failure = Swift.Never

 // CHECK: @_implements(_Concurrency.AsyncSequence, Failure)
 // CHECK-SAME: public typealias __AsyncSequence_Failure = Swift.Never
}