handle.swift

func handle(_ sideEffect: SideEffect) -> Observable<Action> {
    switch sideEffect {
    case .requestAutoCompletions(let query):
        let autoCompletion = // 비동기 로직
        return .just(.fetchAutoCompletion(autoCompletions))

    case .requestSearchs(let query):
        let searchResults = // 비동기 로직
         return .just(.fetchSearchResult(searchResults))
    }
}