diff options
Diffstat (limited to 'tests/ui/lint/must_not_suspend/boxed.rs')
-rw-r--r-- | tests/ui/lint/must_not_suspend/boxed.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/lint/must_not_suspend/boxed.rs b/tests/ui/lint/must_not_suspend/boxed.rs new file mode 100644 index 000000000..1f823fc55 --- /dev/null +++ b/tests/ui/lint/must_not_suspend/boxed.rs @@ -0,0 +1,25 @@ +// 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() { +} |