rust/tests/ui/self/objects-owned-object-owned-method.rs
2024-02-16 20:02:50 +00:00

24 lines
500 B
Rust

//@ run-pass
// Test invoked `&self` methods on owned objects where the values
// closed over contain managed values. This implies that the boxes
// will have headers that must be skipped over.
trait FooTrait {
fn foo(self: Box<Self>) -> usize;
}
struct BarStruct {
x: usize
}
impl FooTrait for BarStruct {
fn foo(self: Box<BarStruct>) -> usize {
self.x
}
}
pub fn main() {
let foo = Box::new(BarStruct{ x: 22 }) as Box<dyn FooTrait>;
assert_eq!(22, foo.foo());
}