async_std/io/write/
write.rs

1use std::pin::Pin;
2use std::future::Future;
3
4use crate::io::{self, Write};
5use crate::task::{Context, Poll};
6
7#[doc(hidden)]
8#[allow(missing_debug_implementations)]
9pub struct WriteFuture<'a, T: Unpin + ?Sized> {
10    pub(crate) writer: &'a mut T,
11    pub(crate) buf: &'a [u8],
12}
13
14impl<T: Write + Unpin + ?Sized> Future for WriteFuture<'_, T> {
15    type Output = io::Result<usize>;
16
17    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
18        let buf = self.buf;
19        Pin::new(&mut *self.writer).poll_write(cx, buf)
20    }
21}

async_std/io/write/write.rs

async_std/io/write/
write.rs