rust/tests/ui/issues/issue-11192.rs
2023-01-11 09:32:08 +00:00

23 lines
415 B
Rust

struct Foo {
x: isize
}
impl Drop for Foo {
fn drop(&mut self) {
println!("drop {}", self.x);
}
}
fn main() {
let mut ptr: Box<_> = Box::new(Foo { x: 0 });
let mut test = |foo: &Foo| {
println!("access {}", foo.x);
ptr = Box::new(Foo { x: ptr.x + 1 });
println!("access {}", foo.x);
};
test(&*ptr);
//~^ ERROR: cannot borrow `*ptr` as immutable
}