rust/tests/ui/borrowck/borrowck-fn-in-const-c.rs

24 lines
544 B
Rust

// Check that we check fns appearing in constant declarations.
// Issue #22382.
// Returning local references?
struct DropString {
inner: String
}
impl Drop for DropString {
fn drop(&mut self) {
self.inner.clear();
self.inner.push_str("dropped");
}
}
const LOCAL_REF: fn() -> &'static str = {
fn broken() -> &'static str {
let local = DropString { inner: format!("Some local string") };
return &local.inner; //~ borrow may still be in use when destructor runs
}
broken
};
fn main() {
}