File: unconstrained-impl-region.rs

package info (click to toggle)
rustc 1.88.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 934,128 kB
  • sloc: xml: 158,127; python: 36,062; javascript: 19,855; sh: 19,700; cpp: 18,947; ansic: 12,993; asm: 4,792; makefile: 690; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (19 lines) | stat: -rw-r--r-- 416 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
//@ edition: 2021

pub(crate) trait Inbox<M> {
    async fn next(self) -> M;
}

pub(crate) trait Actor: Sized {
    type Message;

    async fn on_mount(self, _: impl Inbox<Self::Message>);
}

impl<'a> Actor for () {
//~^ ERROR the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates
    type Message = &'a ();
    async fn on_mount(self, _: impl Inbox<&'a ()>) {}
}

fn main() {}