[英]Swift 5.5 async await method to AnyPublisher
I am trying to call a Swift 5.5 async throws method inside a method that should return an AnyPublisher but I am having trouble to achieve this.我试图在应该返回 AnyPublisher 的方法中调用 Swift 5.5 async throws 方法,但我无法实现这一点。 I tried using a Future
(promise) which did not work and I only managed to find a Swift 5.5 API to convert closure based methods to async ones.我尝试使用一个不起作用的Future
(promise),我只设法找到一个 Swift 5.5 API 将基于闭包的方法转换为异步方法。
class Loader {
func loadSomeData() -> async throws [String] {
/// some code
}
}
class Service {
let loader: Loader
init(loader: Loader) {
self.loader = loader
}
func someDataPublisher() -> AnyPublisher<[String], Error> {
// How can I convert this?
try await loader.loadSomeData()
}
}
class Service {
let loader: Loader
init(loader: Loader) {
self.loader = loader
}
func someDataPublisher() -> AnyPublisher<[String], Error> {
return Deferred { [loader] in
Future { promise in
async {
do {
promise(.success(try await loader.loadSomeData()))
} catch {
promise(.failure(error))
}
}
}
}
.eraseToAnyPublisher()
}
}
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.