diff options
Diffstat (limited to 'src/test/ui/lint/must_not_suspend/warn.rs')
-rw-r--r-- | src/test/ui/lint/must_not_suspend/warn.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/lint/must_not_suspend/warn.rs b/src/test/ui/lint/must_not_suspend/warn.rs new file mode 100644 index 000000000..7fdea66a2 --- /dev/null +++ b/src/test/ui/lint/must_not_suspend/warn.rs @@ -0,0 +1,26 @@ +// 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() { +} |