rust/tests/ui/nll/user-annotations/downcast-infer.rs
2024-02-16 20:02:50 +00:00

12 lines
227 B
Rust

//@ check-pass
// Check that we don't try to downcast `_` when type-checking the annotation.
fn main() {
let x = Some(Some(Some(1)));
match x {
Some::<Option<_>>(Some(Some(v))) => (),
_ => (),
}
}