another_rxrust/operators/
ignore_elements.rs

1use crate::internals::stream_controller::*;
2use crate::prelude::*;
3use std::marker::PhantomData;
4
5#[derive(Clone)]
6pub struct IgnoreElements<Item>
7where
8  Item: Clone + Send + Sync,
9{
10  _item: PhantomData<Item>,
11}
12
13impl<'a, Item> IgnoreElements<Item>
14where
15  Item: Clone + Send + Sync,
16{
17  pub fn new() -> IgnoreElements<Item> {
18    IgnoreElements { _item: PhantomData }
19  }
20  pub fn execute(&self, source: Observable<'a, Item>) -> Observable<'a, Item> {
21    Observable::<Item>::create(move |s| {
22      let sctl = StreamController::new(s);
23      let sctl_error = sctl.clone();
24      let sctl_complete = sctl.clone();
25
26      source.inner_subscribe(sctl.new_observer(
27        move |_, _| {},
28        move |_, e| {
29          sctl_error.sink_error(e);
30        },
31        move |serial| sctl_complete.sink_complete(&serial),
32      ));
33    })
34  }
35}
36
37impl<'a, Item> Observable<'a, Item>
38where
39  Item: Clone + Send + Sync,
40{
41  pub fn ignore_elements(&self) -> Observable<'a, Item> {
42    IgnoreElements::new().execute(self.clone())
43  }
44}
45
46#[cfg(test)]
47mod test {
48  use crate::prelude::*;
49
50  #[test]
51  fn basic() {
52    observables::from_iter(1..100).ignore_elements().subscribe(
53      print_next_fmt!("{}"),
54      print_error!(),
55      print_complete!(),
56    );
57  }
58
59  #[test]
60  fn error() {
61    observables::error::<()>(RxError::from_error("ERR!"))
62      .ignore_elements()
63      .subscribe(
64        print_next!(),
65        print_error_as!(&str),
66        print_complete!(),
67      );
68  }
69}
another_rxrust/operators/ignore_elements.rs

another_rxrust/operators/
ignore_elements.rs
