rust/tests/ui/lint/must_not_suspend/unit.rs

27 lines
356 B
Rust

//@ edition:2018
#![feature(must_not_suspend)]
#![deny(must_not_suspend)]
#[must_not_suspend = "You gotta use Umm's, ya know?"]
struct Umm {
i: i64
}
fn bar() -> Umm {
Umm {
i: 1
}
}
async fn other() {}
pub async fn uhoh() {
let _guard = bar(); //~ ERROR `Umm` held across
other().await;
drop(_guard);
}
fn main() {
}