diff options
Diffstat (limited to 'tests/ui/borrowck/borrowck-escaping-closure-error-2.rs')
-rw-r--r-- | tests/ui/borrowck/borrowck-escaping-closure-error-2.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/borrowck/borrowck-escaping-closure-error-2.rs b/tests/ui/borrowck/borrowck-escaping-closure-error-2.rs new file mode 100644 index 000000000..b50d45563 --- /dev/null +++ b/tests/ui/borrowck/borrowck-escaping-closure-error-2.rs @@ -0,0 +1,15 @@ +// Test that we give a custom error (E0373) for the case where a +// closure is escaping current frame, and offer a suggested code edit. +// I refrained from including the precise message here, but the +// original text as of the time of this writing is: +// +// closure may outlive the current function, but it borrows `books`, +// which is owned by the current function + +fn foo<'a>(x: &'a i32) -> Box<dyn FnMut() + 'a> { + let mut books = vec![1,2,3]; + Box::new(|| books.push(4)) + //~^ ERROR E0373 +} + +fn main() { } |