hooks_core/ext/
values.rs

1use std::pin::Pin;
2
3use super::NextValue;
4
5pin_project_lite::pin_project! {
6    /// A stream of hook values.
7    /// See [`HookExt::into_values`](crate::HookExt::into_values) and [`HookExt::values`](crate::HookExt::values)
8    pub struct Values<H> {
9        #[pin]
10        hook: H,
11    }
12}
13
14impl<H> Values<H> {
15    #[inline]
16    pub fn new(hook: H) -> Self {
17        Self { hook }
18    }
19
20    #[inline]
21    pub fn into_inner(self) -> H {
22        self.hook
23    }
24
25    #[inline]
26    pub fn pin_project_hook(self: Pin<&mut Self>) -> Pin<&mut H> {
27        self.project().hook
28    }
29
30    #[inline]
31    pub fn next_value(self: Pin<&mut Self>) -> NextValue<H> {
32        NextValue::new(self.pin_project_hook())
33    }
34
35    // #[inline]
36    // pub fn
37}
38
39#[cfg(feature = "futures-core")]
40impl<H> futures_core::Stream for Values<H>
41where
42    H: crate::NonLendingHook,
43{
44    type Item = H::NonGenericValue;
45
46    #[inline]
47    fn poll_next(
48        self: Pin<&mut Self>,
49        cx: &mut std::task::Context<'_>,
50    ) -> std::task::Poll<Option<Self::Item>> {
51        let mut hook = self.pin_project_hook();
52        <H as crate::HookPollNextUpdate>::poll_next_update(hook.as_mut(), cx).map(|dynamic| {
53            if dynamic {
54                let value = <H as crate::Hook>::use_hook(hook);
55                Some(value)
56            } else {
57                None
58            }
59        })
60    }
61}
hooks_core/ext/values.rs

hooks_core/ext/
values.rs
