mihai8804858

enum Either<T, U> {
    case left(T)
    case right(U)
}

...

/// Defines strategy to be used when determining if API response is `Empty`.
/// Available strategies are: 204 response code, 0 bytes and empty JSON container.
enum EmptyPredicate {

mihai8804858

extension Provider {
    func requestEmpty<T: TargetType>(target: T) -> Observable<GravityResponse<Void>> {
        requestData(target: target).then(decode)
    }

    private func decode(response: GravityResponse<Data>) -> Observable<GravityResponse<Void>> {
        response.map { $0.map { _ in } }
            .subscribe(on: ConcurrentDispatchQueueScheduler(qos: .utility))
            .observe(on: MainScheduler.instance)
    }