rust/tests/ui/implied-bounds/impl-implied-bounds-compatibility.rs

19 lines
490 B
Rust

use std::cell::RefCell;
pub struct MessageListeners<'a> {
listeners: RefCell<Vec<Box<dyn FnMut(()) + 'a>>>,
}
pub trait MessageListenersInterface {
fn listeners<'c>(&'c self) -> &'c MessageListeners<'c>;
}
impl<'a> MessageListenersInterface for MessageListeners<'a> {
fn listeners<'b>(&'b self) -> &'a MessageListeners<'b> {
//~^ ERROR in type `&'a MessageListeners<'_>`, reference has a longer lifetime than the data it references
self
}
}
fn main() {}