rust/tests/ui/unsized/unchanged-param.rs
2024-02-16 20:02:50 +00:00

12 lines
378 B
Rust

//@ run-pass
// Test that we allow unsizing even if there is an unchanged param in the
// field getting unsized.
struct A<T, U: ?Sized + 'static>(#[allow(dead_code)] T, B<T, U>);
struct B<T, U: ?Sized>(#[allow(dead_code)] T, U);
fn main() {
let x: A<[u32; 1], [u32; 1]> = A([0; 1], B([0; 1], [0; 1]));
let y: &A<[u32; 1], [u32]> = &x;
assert_eq!(y.1.1.len(), 1);
}