diff options
Diffstat (limited to 'tests/ui/borrowck/immutable-arg.rs')
| -rw-r--r-- | tests/ui/borrowck/immutable-arg.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/ui/borrowck/immutable-arg.rs b/tests/ui/borrowck/immutable-arg.rs new file mode 100644 index 000000000..2352d1bbe --- /dev/null +++ b/tests/ui/borrowck/immutable-arg.rs @@ -0,0 +1,6 @@ +fn foo(_x: u32) { + _x = 4; + //~^ ERROR cannot assign to immutable argument `_x` +} + +fn main() {} |