// ModalManager.swift

class MiniModalManager: ObservableObject {
    @Published var modal: AnyView = AnyView(EmptyView())


    func show<V: View>(title: String, view: V) {
        modal = AnyView(view)
    }
}

// In another file, ContentView.swift

struct ContentView: View {
    @ObservedObject var manager = MiniModalManager()


    var body: some View {
        Text("Hello World")
            .onAppear {
                let view = Text("Hello world")
                self.manager.show(title: "title", view: view)
        }
    }
}

1. While running pass #&#8203;3511 SILFunctionTransform "GenericSpecializer" on SILFunction "@$s19ViewGenericSegFault16MiniModalManagerC4show5title4viewySS_xt7SwiftUI0A0RzlFAG4TextV_Tg5". for 'show(title:view:)' (at /Users/peterlivesey/Repo/ViewGenericSegFault/ViewGenericSegFault/ModalManager.swift:15:5) 0  swift                    0x00000001056feeb3 PrintStackTraceSignalHandler(void*) + 51 1  swift                    0x00000001056fe686 SignalHandler(int) + 358 2  libsystem_platform.dylib 0x00007fff6b690b1d _sigtramp + 29 3  libsystem_platform.dylib 0x00007fa706c80e40 _sigtramp + 2606695232 4  swift                    0x0000000101b4decc swift::ReabstractionInfo::prepareAndCheck(swift::ApplySite, swift::SILFunction*, swift::SubstitutionMap, swift::OptRemark::Emitter*) + 572 5  swift                    0x0000000101ba0aaa swift::ReabstractionInfo::ReabstractionInfo(swift::ApplySite, swift::SILFunction*, swift::SubstitutionMap, swift::IsSerialized_t, bool, swift::OptRemark::Emitter*) + 122 6  swift                    0x0000000101baab30 swift::trySpecializeApplyOfGeneric(swift::SILOptFunctionBuilder&, swift::ApplySite, llvm::SmallSetVector<swift::SILInstruction*, 8u>&, llvm::SmallVectorImpl<swift::SILFunction*>&, swift::OptRemark::Emitter&) + 1696 7  swift                    0x0000000101a8382e (anonymous namespace)::GenericSpecializer::run() + 2686 8  swift                    0x00000001019fcf97 swift::SILPassManager::execute() + 4599 9  swift                    0x000000010165b88b swift::CompilerInstance::performSILProcessing(swift::SILModule*, swift::UnifiedStatsReporter*) + 6379 10 swift                    0x0000000101355cc5 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 33925 11 swift                    0x000000010134a034 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 6820 12 swift                    0x00000001012d75a3 main + 1219 13 libdyld.dylib            0x00007fff6b48f2a5 start + 1 14 libdyld.dylib            0x000000000000004b start + 2495024551