File: impl-implied-bounds-compatibility.rs

package info (click to toggle)
rustc 1.87.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 925,564 kB
  • sloc: xml: 158,127; python: 36,039; javascript: 19,761; sh: 19,737; cpp: 18,981; ansic: 13,133; asm: 4,376; makefile: 710; perl: 29; lisp: 28; ruby: 19; sql: 11
file content (18 lines) | stat: -rw-r--r-- 490 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
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() {}