diff options
Diffstat (limited to 'src/test/ui/let-else/let-else-binding-explicit-mut-borrow.rs')
-rw-r--r-- | src/test/ui/let-else/let-else-binding-explicit-mut-borrow.rs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/let-else/let-else-binding-explicit-mut-borrow.rs b/src/test/ui/let-else/let-else-binding-explicit-mut-borrow.rs new file mode 100644 index 000000000..63b35df76 --- /dev/null +++ b/src/test/ui/let-else/let-else-binding-explicit-mut-borrow.rs @@ -0,0 +1,13 @@ +#![feature(let_else)] + +// Slightly different from explicit-mut-annotated -- this won't show an error until borrowck. +// Should it show a type error instead? + +fn main() { + let Some(n): &mut Option<i32> = &mut &Some(5i32) else { + //~^ ERROR cannot borrow data in a `&` reference as mutable + return + }; + *n += 1; + let _ = n; +} |