Async readiness traits. Useful when implementing async state machines that can later be wrapped in dedicated futures.
Basic usage
#![feature(futures_api)]
use std::pin::Pin;
use std::task::{Context, Poll};
use futures::prelude::*;
use async_ready::AsyncReady;
use std::io;
struct Fut;
impl Future for Fut {
type Output = ();
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
Poll::Ready(())
}
}
impl AsyncReady for Fut {
type Ok = ();
type Err = io::Error;
fn poll_ready(
mut self: Pin<&mut Self>,
cx: &mut Context<'_>,
) -> Poll<Result<Self::Ok, Self::Err>> {
Poll::Ready(Ok(()))
}
}$ cargo add async-readyThis crate uses #![deny(unsafe_code)] to ensure everything is implemented in
100% Safe Rust.
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MIT OR Apache-2.0