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// 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() -> Box<Umm> {
Box::new(Umm {
i: 1
})
}
async fn other() {}
pub async fn uhoh() {
let _guard = bar(); //~ ERROR boxed `Umm` held across
other().await;
}
fn main() {
}
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