| use std::cell::RefCell; | |
| use std::io::Read; | |
| fn main() {} | |
| fn inner(mut foo: &[u8]) { | |
| let refcell = RefCell::new(&mut foo); | |
| //~^ ERROR `foo` does not live long enough | |
| let read = &refcell as &RefCell<dyn Read>; | |
| read_thing(read); | |
| //~^ ERROR borrowed data escapes outside of function | |
| } | |
| fn read_thing(refcell: &RefCell<dyn Read>) {} |