diff options
Diffstat (limited to 'tests/ui/borrowck/issue-46095.rs')
-rw-r--r-- | tests/ui/borrowck/issue-46095.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tests/ui/borrowck/issue-46095.rs b/tests/ui/borrowck/issue-46095.rs new file mode 100644 index 000000000..59ddb60c9 --- /dev/null +++ b/tests/ui/borrowck/issue-46095.rs @@ -0,0 +1,30 @@ +// run-pass +struct A; + +impl A { + fn take_mutably(&mut self) {} +} + +fn identity<T>(t: T) -> T { + t +} + +// Issue 46095 +// Built-in indexing should be used even when the index is not +// trivially an integer +// Overloaded indexing would cause wrapped to be borrowed mutably + +fn main() { + let mut a1 = A; + let mut a2 = A; + + let wrapped = [&mut a1, &mut a2]; + + { + wrapped[0 + 1 - 1].take_mutably(); + } + + { + wrapped[identity(0)].take_mutably(); + } +} |