rust/tests/ui/box/unit/unique-assign-drop.rs

11 lines
208 B
Rust

// run-pass
#![allow(unused_assignments)]
pub fn main() {
let i: Box<_> = Box::new(1);
let mut j: Box<_> = Box::new(2);
// Should drop the previous value of j
j = i;
assert_eq!(*j, 1);
}