Trait futures_util::compat::AsyncWrite01CompatExt
source · [−]pub trait AsyncWrite01CompatExt: AsyncWrite01 {
fn compat(self) -> Compat01As03<Self>ⓘNotable traits for Compat01As03<Fut>impl<Fut: Future01> Future for Compat01As03<Fut> type Output = Result<Fut::Item, Fut::Error>;
where
Self: Sized,
{ ... }
}
This is supported on crate features
compat
and io-compat
only.Expand description
Extension trait for tokio-io AsyncWrite
Provided methods
fn compat(self) -> Compat01As03<Self>ⓘNotable traits for Compat01As03<Fut>impl<Fut: Future01> Future for Compat01As03<Fut> type Output = Result<Fut::Item, Fut::Error>;
where
Self: Sized,
fn compat(self) -> Compat01As03<Self>ⓘNotable traits for Compat01As03<Fut>impl<Fut: Future01> Future for Compat01As03<Fut> type Output = Result<Fut::Item, Fut::Error>;
where
Self: Sized,
Converts a tokio-io AsyncWrite
into a futures-io 0.3
AsyncWrite
.
use futures::io::AsyncWriteExt;
use futures_util::compat::AsyncWrite01CompatExt;
let input = b"Hello World!";
let mut cursor = std::io::Cursor::new(Vec::with_capacity(12));
let mut writer = (&mut cursor).compat();
writer.write_all(input).await.unwrap();
assert_eq!(cursor.into_inner(), input);