another_rxrust/operators/
dematerialize.rs

1use crate::internals::stream_controller::*;
2use crate::prelude::*;
3use std::marker::PhantomData;
4
5#[derive(Clone)]
6pub struct Dematerialize<Item>
7where
8  Item: Clone + Send + Sync,
9{
10  _item: PhantomData<Item>,
11}
12
13impl<'a, Item> Dematerialize<Item>
14where
15  Item: Clone + Send + Sync,
16{
17  pub fn new() -> Dematerialize<Item> {
18    Dematerialize { _item: PhantomData }
19  }
20  pub fn execute(
21    &self,
22    source: Observable<'a, Material<Item>>,
23  ) -> Observable<'a, Item> {
24    Observable::create(move |s| {
25      let source = source.clone();
26
27      let sctl = StreamController::new(s);
28      let sctl_next = sctl.clone();
29      let sctl_error = sctl.clone();
30      let sctl_complete = sctl.clone();
31
32      source.inner_subscribe(sctl.new_observer(
33        move |serial, x: Material<Item>| match x {
34          Material::Next(x) => sctl_next.sink_next(x),
35          Material::Error(x) => sctl_next.sink_error(x),
36          Material::Complete => sctl_next.sink_complete(&serial),
37        },
38        move |_, e| {
39          sctl_error.sink_error(e);
40        },
41        move |serial| sctl_complete.sink_complete(&serial),
42      ));
43    })
44  }
45}
46
47impl<'a, Item> Observable<'a, Material<Item>>
48where
49  Item: Clone + Send + Sync,
50{
51  pub fn dematerialize(&self) -> Observable<'a, Item> {
52    Dematerialize::new().execute(self.clone())
53  }
54}
55
56#[cfg(test)]
57mod test {
58  use crate::prelude::*;
59
60  #[test]
61  fn basic() {
62    observables::from_iter(0..10)
63      .materialize()
64      .take_last(3)
65      .dematerialize()
66      .subscribe(
67        print_next_fmt!("{:?}"),
68        print_error!(),
69        print_complete!(),
70      );
71  }
72}
another_rxrust/operators/dematerialize.rs

another_rxrust/operators/
dematerialize.rs
