error[E0597]: `r` does not live long enough
--> $DIR/drop_reader_while_borrowed.rs:7:9
|
5 | let _s = {
| -- borrow later stored here
6 | let mut r = Cursor::new("");
7 | r.read_codepoint().unwrap()
| ^ borrowed value does not live long enough
8 | };
| - `r` dropped here while still borrowed