Trait futures_util::compat::AsyncRead01CompatExt

[+] Show declaration

pub trait AsyncRead01CompatExt: AsyncRead01 {
    fn compat(self) -> Compat01As03<Self>
    where
        Self: Sized,
    { ... }
}

[−] Expand description

Extension trait for tokio-io AsyncRead

Provided methods

Important traits for Compat01As03<Fut>

impl<Fut: Future01> Future for Compat01As03<Fut> type Output = Result<Fut::Item, Fut::Error>;

fn compat(self) -> Compat01As03<Self> where
    Self: Sized, [+]

Converts a tokio-io AsyncRead into a futures-io 0.3 AsyncRead.

#![feature(async_await, await_macro, impl_trait_in_bindings)]
use futures::io::AsyncReadExt;
use futures_util::compat::AsyncRead01CompatExt;

let input = b"Hello World!";
let reader: impl tokio_io::AsyncRead = std::io::Cursor::new(input);
let mut reader: impl futures::io::AsyncRead + Unpin = reader.compat();

let mut output = Vec::with_capacity(12);
await!(reader.read_to_end(&mut output)).unwrap();
assert_eq!(output, input);

Implementors

impl<R: AsyncRead01> AsyncRead01CompatExt for R[−]

Important traits for Compat01As03<Fut>

impl<Fut: Future01> Future for Compat01As03<Fut> type Output = Result<Fut::Item, Fut::Error>;

fn compat(self) -> Compat01As03<Self> where
    Self: Sized,