How to use

toLazyEither

method

in

com.oath.cyclops.types.reactive.ValueSubscriber

/**
 * Construct a Right Either from the supplied publisher
 * <pre>
 * {@code
 *   ReactiveSeq<Integer> stream =  ReactiveSeq.of(1,2,3);
   Either<Throwable,Integer> future = Either.fromPublisher(stream);
   //Either[1]
 *
 * }
 * </pre>
 * @param pub Publisher to construct an Either from
 * @return Either constructed from the supplied Publisher
 */
public static <T> Either<Throwable, T> fromPublisher(final Publisher<T> pub) {
  final ValueSubscriber<T> sub = ValueSubscriber.subscriber();
  pub.subscribe(sub);
  return sub.toLazyEither();
}

/**
 * Construct a Right Either from the supplied publisher
 * <pre>
 * {@code
 *   ReactiveSeq<Integer> stream =  ReactiveSeq.of(1,2,3);
   Either<Throwable,Integer> future = Either.fromPublisher(stream);
   //Either[1]
 *
 * }
 * </pre>
 * @param pub Publisher to construct an Either from
 * @return Either constructed from the supplied Publisher
 */
public static <T> Either<Throwable, T> fromPublisher(final Publisher<T> pub) {
  final ValueSubscriber<T> sub = ValueSubscriber.subscriber();
  pub.subscribe(sub);
  return sub.toLazyEither();
}