27 lines
353 B
Rust
27 lines
353 B
Rust
// edition:2018
|
|
// run-pass
|
|
#![feature(must_not_suspend)]
|
|
#![warn(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(); //~ WARNING `Umm` held across
|
|
other().await;
|
|
}
|
|
|
|
fn main() {
|
|
}
|