public func mergedMovies(ids movieIDs: [String]) -> AnyPublisher<[Movie], APIError>{
        let movieIDs = Array(movieIDs.prefix(20))
        
        precondition(!movieIDs.isEmpty)

        let initialPublisher = movie(id: movieIDs[0])
        let remainder = Array(movieIDs.dropFirst())

        #if canImport(Combine)
        return remainder.reduce(initialPublisher) { combined, id in
          return combined
            .merge(with: movie(id: id))
            .eraseToAnyPublisher()
        }
        #else
        return remainder.reduce(initialPublisher) { combined, id in
          return combined
            .merge(with: movie(id: id))
            .eraseToAnyPublisher()
        }
        #endif

    }

value of type 'Any' has no member 'eraseToAnyPublisher'
            .eraseToAnyPublisher()

value of type 'AnyPublisher<[Movie], APIError>' has no member 'merge'
            .merge(with: movie(id: id))