rust/tests/ui/span/slice-borrow.rs
2023-01-11 09:32:08 +00:00

15 lines
333 B
Rust

// Test slicing expressions doesn't defeat the borrow checker.
fn main() {
let y;
{
let x: &[isize] = &vec![1, 2, 3, 4, 5];
//~^ ERROR temporary value dropped while borrowed
y = &x[1..];
}
y.use_ref();
}
trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } }
impl<T> Fake for T { }