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// run-rustfix
#![feature(lint_reasons)]
#![feature(async_closure)]
#![warn(clippy::async_yields_async)]
use core::future::Future;
use core::pin::Pin;
use core::task::{Context, Poll};
struct CustomFutureType;
impl Future for CustomFutureType {
type Output = u8;
fn poll(self: Pin<&mut Self>, _: &mut Context) -> Poll<Self::Output> {
Poll::Ready(3)
}
}
fn custom_future_type_ctor() -> CustomFutureType {
CustomFutureType
}
async fn f() -> CustomFutureType {
// Don't warn for functions since you have to explicitly declare their
// return types.
CustomFutureType
}
#[rustfmt::skip]
fn main() {
let _f = {
3
};
let _g = async {
3
};
let _h = async {
async {
3
}
};
let _i = async {
CustomFutureType
};
let _i = async || {
3
};
let _j = async || {
async {
3
}
};
let _k = async || {
CustomFutureType
};
let _l = async || CustomFutureType;
let _m = async || {
println!("I'm bored");
// Some more stuff
// Finally something to await
CustomFutureType
};
let _n = async || custom_future_type_ctor();
let _o = async || f();
}
#[rustfmt::skip]
#[allow(dead_code)]
fn check_expect_suppression() {
#[expect(clippy::async_yields_async)]
let _j = async || {
async {
3
}
};
}
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