diff options
Diffstat (limited to 'src/test/ui/borrowck/borrowck-ref-mut-of-imm.rs')
-rw-r--r-- | src/test/ui/borrowck/borrowck-ref-mut-of-imm.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/borrowck-ref-mut-of-imm.rs b/src/test/ui/borrowck/borrowck-ref-mut-of-imm.rs new file mode 100644 index 000000000..ae5bb8591 --- /dev/null +++ b/src/test/ui/borrowck/borrowck-ref-mut-of-imm.rs @@ -0,0 +1,10 @@ +fn destructure(x: Option<isize>) -> isize { + match x { + None => 0, + Some(ref mut v) => *v //~ ERROR cannot borrow + } +} + +fn main() { + assert_eq!(destructure(Some(22)), 22); +} |