Examples with Maybe cyclops.control.Maybe used on opensource projects

Example 1 with Maybe

use of cyclops.control.Maybe in project cyclops by aol.

the class AnyMTest method flatMapValueFirstQueue.

@Test
public void flatMapValueFirstQueue() {
    Maybe l = AnyM.fromMaybe(Maybe.of(1)).concatMap(i -> QueueX.of(10, i)).toMaybe();
    assertThat(l, equalTo(Maybe.of(10)));
}

Example 2 with Maybe

use of cyclops.control.Maybe in project cyclops by aol.

the class AnyMTest method flatMapValueFirstList.

@Test
public void flatMapValueFirstList() {
    Maybe l = AnyM.fromMaybe(Maybe.of(1)).concatMap(i -> ListX.of(10, i)).toMaybe();
    assertThat(l, equalTo(Maybe.of(10)));
}

Example 3 with Maybe

use of cyclops.control.Maybe in project cyclops by aol.

the class FlowableReactiveSeqImpl method single.

@Override
public Maybe<T> single() {
    Maybe.CompletableMaybe<T, T> maybe = Maybe.<T>maybe();
    flowable.subscribe(new Subscriber<T>() {

        Object value = UNSET;

        Subscription sub;

        @Override
        public void onSubscribe(Subscription s) {
            this.sub = s;
            s.request(Long.MAX_VALUE);
        }

        @Override
        public void onNext(T t) {
            if (value == UNSET)
                value = t;
            else {
                maybe.completeAsNone();
                sub.cancel();
            }
        }

        @Override
        public void onError(Throwable t) {
            maybe.completeExceptionally(t);
        }

        @Override
        public void onComplete() {
            if (value == UNSET)
                maybe.completeAsNone();
            else
                maybe.complete((T) value);
        }
    });
    return maybe;
}

Example 4 with Maybe

use of cyclops.control.Maybe in project cyclops by aol.

the class AnyMTest method flatMapValueFirstFlux.

@Test
public void flatMapValueFirstFlux() {
    Maybe l = AnyM.fromMaybe(Maybe.of(1)).mergeMap(i -> Flux.just(10, i)).unwrap();
    assertThat(l, equalTo(Maybe.of(10)));
}

Example 5 with Maybe

use of cyclops.control.Maybe in project cyclops by aol.

the class AnyMTest method flatMapValueFirstSet.

@Test
public void flatMapValueFirstSet() {
    Maybe l = AnyM.fromMaybe(Maybe.of(1)).concatMap(i -> SetX.of(10, i)).toMaybe();
    assertThat(l.toOptional().get(), instanceOf(Integer.class));
}