| // run-pass | |
| #![allow(dead_code)] | |
| #![allow(unused_mut)] | |
| #![allow(unused_variables)] | |
| pub struct Registry<'a> { | |
| listener: &'a mut (), | |
| } | |
| pub struct Listener<'a> { | |
| pub announce: Option<Box<dyn FnMut(&mut Registry) + 'a>>, | |
| pub remove: Option<Box<dyn FnMut(&mut Registry) + 'a>>, | |
| } | |
| impl<'a> Drop for Registry<'a> { | |
| fn drop(&mut self) {} | |
| } | |
| fn main() { | |
| let mut registry_listener = Listener { | |
| announce: None, | |
| remove: None, | |
| }; | |
| } |