Exemple #1
0
 @Test
 public void map() {
   StreamT<Integer> streamT = StreamT.of(AnyM.ofMonad(Optional.of(Stream.of(10))));
   assertThat(
       streamT
           .map(num -> "hello world" + num)
           .unwrap()
           .<Optional<Stream<String>>>unwrap()
           .get()
           .collect(Collectors.toList()),
       equalTo(Arrays.asList("hello world10")));
 }
Exemple #2
0
 @Test
 public void filterSuccess() {
   StreamT<Integer> streamT = StreamT.of(AnyM.ofMonad(Optional.of(Stream.of(10))));
   assertThat(
       streamT
           .filter(num -> num == 10)
           .unwrap()
           .<Optional<Stream<String>>>unwrap()
           .get()
           .collect(Collectors.toList()),
       equalTo(Arrays.asList(10)));
 }
Exemple #3
0
  @Test
  public void peek() {
    result = null;
    StreamT<Integer> streamT = StreamT.of(AnyM.ofMonad(Optional.of(Stream.of(10))));

    streamT
        .peek(num -> result = "hello world" + num)
        .unwrap()
        .<Optional<Stream<String>>>unwrap()
        .get()
        .collect(Collectors.toList());
    assertThat(result, equalTo("hello world10"));
  }
Exemple #4
0
 /**
  * Execute and Yield a result from this for comprehension using the supplied function
  *
  * <p>e.g. sum every element across nested structures
  *
  * <pre>{@code   Do.add(list1)
  * .yield((Integer i1) -> i1);
  *
  * }</pre>
  *
  * @param f To be applied to every element in the for comprehension
  * @return For comprehension result
  */
 public <R> AnyM<R> yield(Function<? super T1, R> f) {
   if (getOrgType() != null)
     return new MonadWrapper(this.yieldInternal(f), this.getOrgType()).anyM();
   else return AnyM.ofMonad(this.yieldInternal(f));
 }
 /** @return This monad, wrapped as AnyM of Disabled */
 public AnyM<F> anyMDisabled() {
   return AnyM.ofMonad(Optional.empty());
 }
 @Test
 public void switchTest() {
   assertThat(
       AnyM.ofMonad(FeatureToggle.enable("hello world")).map(o -> "2" + o).asSequence().toList(),
       equalTo(Arrays.asList("2hello world")));
 }