rust/tests/ui/borrowck/borrowck-borrow-immut-deref-of-box-as-mut.rs
2023-01-11 09:32:08 +00:00

15 lines
207 B
Rust

struct A;
impl A {
fn foo(&mut self) {
}
}
pub fn main() {
let a: Box<_> = Box::new(A);
a.foo();
//~^ ERROR cannot borrow `*a` as mutable, as `a` is not declared as mutable [E0596]
}