diff options
| author | mo khan <mo@mokhan.ca> | 2025-07-02 18:36:06 -0600 |
|---|---|---|
| committer | mo khan <mo@mokhan.ca> | 2025-07-02 18:36:06 -0600 |
| commit | 8cdfa445d6629ffef4cb84967ff7017654045bc2 (patch) | |
| tree | 22f0b0907c024c78d26a731e2e1f5219407d8102 /vendor/async-stream/src/next.rs | |
| parent | 4351c74c7c5f97156bc94d3a8549b9940ac80e3f (diff) | |
chore: add vendor directory
Diffstat (limited to 'vendor/async-stream/src/next.rs')
| -rw-r--r-- | vendor/async-stream/src/next.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/vendor/async-stream/src/next.rs b/vendor/async-stream/src/next.rs new file mode 100644 index 00000000..7b1e0467 --- /dev/null +++ b/vendor/async-stream/src/next.rs @@ -0,0 +1,32 @@ +use futures_core::Stream; +use std::future::Future; +use std::pin::Pin; +use std::task::{Context, Poll}; + +// This is equivalent to the `futures::StreamExt::next` method. +// But we want to make this crate dependency as small as possible, so we define our `next` function. +#[doc(hidden)] +pub fn next<S>(stream: &mut S) -> impl Future<Output = Option<S::Item>> + '_ +where + S: Stream + Unpin, +{ + Next { stream } +} + +#[derive(Debug)] +struct Next<'a, S> { + stream: &'a mut S, +} + +impl<S> Unpin for Next<'_, S> where S: Unpin {} + +impl<S> Future for Next<'_, S> +where + S: Stream + Unpin, +{ + type Output = Option<S::Item>; + + fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> { + Pin::new(&mut self.stream).poll_next(cx) + } +} |
