Remove async-std support (RIP)

This commit is contained in:
Héctor Ramón Jiménez 2025-04-02 10:45:27 +02:00
parent 57cb14ce38
commit 91996372cb
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GPG key ID: 7CC46565708259A7
8 changed files with 13 additions and 104 deletions

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@ -2,10 +2,9 @@
//!
//! - On native platforms, it will use:
//! - `backend::native::tokio` when the `tokio` feature is enabled.
//! - `backend::native::async-std` when the `async-std` feature is
//! enabled.
//! - `backend::native::smol` when the `smol` feature is enabled.
//! - `backend::native::thread_pool` otherwise.
//! - `backend::native::thread_pool` when the `thread-pool` feature is enabled.
//! - `backend::null` otherwise.
//!
//! - On Wasm, it will use `backend::wasm::wasm_bindgen`.
#[cfg(not(target_arch = "wasm32"))]
@ -13,24 +12,17 @@ mod platform {
#[cfg(feature = "tokio")]
pub use crate::backend::native::tokio::*;
#[cfg(all(feature = "async-std", not(feature = "tokio"),))]
pub use crate::backend::native::async_std::*;
#[cfg(all(
feature = "smol",
not(any(feature = "tokio", feature = "async-std")),
))]
#[cfg(all(feature = "smol", not(feature = "tokio"),))]
pub use crate::backend::native::smol::*;
#[cfg(all(
feature = "thread-pool",
not(any(feature = "tokio", feature = "async-std", feature = "smol"))
not(any(feature = "tokio", feature = "smol"))
))]
pub use crate::backend::native::thread_pool::*;
#[cfg(not(any(
feature = "tokio",
feature = "async-std",
feature = "smol",
feature = "thread-pool"
)))]

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@ -2,9 +2,6 @@
#[cfg(feature = "tokio")]
pub mod tokio;
#[cfg(feature = "async-std")]
pub mod async_std;
#[cfg(feature = "smol")]
pub mod smol;

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@ -1,56 +0,0 @@
//! An `async-std` backend.
/// An `async-std` executor.
#[derive(Debug)]
pub struct Executor;
impl crate::Executor for Executor {
fn new() -> Result<Self, futures::io::Error> {
Ok(Self)
}
#[allow(clippy::let_underscore_future)]
fn spawn(&self, future: impl Future<Output = ()> + Send + 'static) {
let _ = async_std::task::spawn(future);
}
}
pub mod time {
//! Listen and react to time.
use crate::subscription::{self, Hasher, Subscription};
/// Returns a [`Subscription`] that produces messages at a set interval.
///
/// The first message is produced after a `duration`, and then continues to
/// produce more messages every `duration` after that.
pub fn every(
duration: std::time::Duration,
) -> Subscription<std::time::Instant> {
subscription::from_recipe(Every(duration))
}
#[derive(Debug)]
struct Every(std::time::Duration);
impl subscription::Recipe for Every {
type Output = std::time::Instant;
fn hash(&self, state: &mut Hasher) {
use std::hash::Hash;
std::any::TypeId::of::<Self>().hash(state);
self.0.hash(state);
}
fn stream(
self: Box<Self>,
_input: subscription::EventStream,
) -> futures::stream::BoxStream<'static, Self::Output> {
use futures::stream::StreamExt;
async_std::stream::interval(self.0)
.map(|_| std::time::Instant::now())
.boxed()
}
}
}