let reducer = Reducer { state, action, env in
    switch state {
        case .onAppear:
            for link in links {
                env.downloadFromLink(link)
                    .receive(on: env.mainQueue())
                    .catchToEffect()
                    // What's next???
                    ...
            }
        case .infoDownloaded:
            // do sth from data from link
    }
}