rust/tests/ui/borrowck/two-phase-reservation-sharing-interference-2.rs
2024-02-16 20:02:50 +00:00

30 lines
645 B
Rust

// Test for #56254. The last example originally failed with the ast checker, was
// accidentally allowed under migrate/nll, then linted against in migrate mode
// but disallowed under NLL. Now, we accept it everywhere.
//@ignore-compare-mode-polonius
fn double_conflicts() {
let mut v = vec![0, 1, 2];
let shared = &v;
v.extend(shared);
//~^ ERROR cannot borrow `v` as mutable
}
fn activation_conflict() {
let mut v = vec![0, 1, 2];
v.extend(&v);
//~^ ERROR cannot borrow `v` as mutable
}
fn reservation_allowed() {
let mut v = vec![0, 1, 2];
let shared = &v;
v.push(shared.len());
}
fn main() {}