use std::future::Future;
use std::panic::AssertUnwindSafe;
use std::time::Duration;
use futures_lite::FutureExt;
use super::Backend;
use crate::spawn::JoinHandle;
pub(crate) struct AsyncStdBackend;
impl Backend for AsyncStdBackend {
fn spawn<T: Send + 'static>(
fut: impl Future<Output = T> + Send + 'static,
) -> JoinHandle<T> {
let handle = async_std::task::spawn(AssertUnwindSafe(fut).catch_unwind());
JoinHandle { inner: Some(handle) }
}
fn sleep(dur: Duration) -> impl Future<Output = ()> + Send {
async_std::task::sleep(dur)
}
}