diff options
Diffstat (limited to 'tests/ui/unique/unique-swap.rs')
-rw-r--r-- | tests/ui/unique/unique-swap.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/ui/unique/unique-swap.rs b/tests/ui/unique/unique-swap.rs new file mode 100644 index 000000000..4f33ff9a8 --- /dev/null +++ b/tests/ui/unique/unique-swap.rs @@ -0,0 +1,11 @@ +// run-pass + +use std::mem::swap; + +pub fn main() { + let mut i: Box<_> = Box::new(100); + let mut j: Box<_> = Box::new(200); + swap(&mut i, &mut j); + assert_eq!(i, Box::new(200)); + assert_eq!(j, Box::new(100)); +} |