@swift-main
@globalActor final actor FooActor { static let shared = FooActor() } struct Foo { var value = 0 } extension Foo: @FooActor CustomStringConvertible { var description: String { "VALUE: \(value)" } } @FooActor func printFooOnFooActor() { let foo = Foo() print(foo) } await printFooOnFooActor()