Swift Combine 的类型看着真心累啊 - V2EX
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usVexMownCzar
V2EX    Swift

Swift Combine 的类型看着真心累啊

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  •   usVexMownCzar 2022-07-08 14:07:12 +08:00 2008 次点击
    这是一个创建于 1252 天前的主题,其中的信息可能已经有所发展或是发生改变。
    func stories() -> AnyPublisher<[Story], Error> { URLSession.shared .dataTaskPublisher(for: EndPoint.stories.url) .map(\.data) .decode(type: [Int].self, decoder: decoder) .mapError { error -> API.Error in switch error { case is URLError: return Error.addressUnreachable(EndPoint.stories.url) default: return Error.invalidResponse } } .filter({ !$0.isEmpty }) .flatMap { storyIDs in mergedStories(ids: storyIDs) } .scan([]) { stories, story -> [Story] in stories + [story] } .map{ $0.sorted() } .eraseToAnyPublisher() } 

    光标放在 eraseToAnyPublisher 后面,按 esc ,能看到最后的类型

    我的妈,就不能简化下吗

    希望能向 RXSwift 学习下吧,别嵌套这么多层了,看着眼晕

    2 条回复    2022-07-08 15:11:58 +08:00
    ostholz
        1
    ostholz  
       2022-07-08 15:02:04 +08:00   1
    确实 RxSwift 更直观一些. Combine 看着眼累
    ansonsiva
        2
    ansonsiva  
       2022-07-08 15:11:58 +08:00
    能不用就不用,哈哈哈,必须要用就用别人的
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