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-rw-r--r--vendor/futures-util/src/io/read_vectored.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/vendor/futures-util/src/io/read_vectored.rs b/vendor/futures-util/src/io/read_vectored.rs
new file mode 100644
index 000000000..4e22df57e
--- /dev/null
+++ b/vendor/futures-util/src/io/read_vectored.rs
@@ -0,0 +1,30 @@
+use crate::io::AsyncRead;
+use futures_core::future::Future;
+use futures_core::task::{Context, Poll};
+use std::io::{self, IoSliceMut};
+use std::pin::Pin;
+
+/// Future for the [`read_vectored`](super::AsyncReadExt::read_vectored) method.
+#[derive(Debug)]
+#[must_use = "futures do nothing unless you `.await` or poll them"]
+pub struct ReadVectored<'a, R: ?Sized> {
+ reader: &'a mut R,
+ bufs: &'a mut [IoSliceMut<'a>],
+}
+
+impl<R: ?Sized + Unpin> Unpin for ReadVectored<'_, R> {}
+
+impl<'a, R: AsyncRead + ?Sized + Unpin> ReadVectored<'a, R> {
+ pub(super) fn new(reader: &'a mut R, bufs: &'a mut [IoSliceMut<'a>]) -> Self {
+ Self { reader, bufs }
+ }
+}
+
+impl<R: AsyncRead + ?Sized + Unpin> Future for ReadVectored<'_, R> {
+ type Output = io::Result<usize>;
+
+ fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+ let this = &mut *self;
+ Pin::new(&mut this.reader).poll_read_vectored(cx, this.bufs)
+ }
+}