File: wf-trait-fn-ret.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 (21 lines) | stat: -rw-r--r-- 460 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
//@ revisions: current next
//@[next] compile-flags: -Znext-solver
//@ ignore-compare-mode-next-solver (explicit revisions)
// Check that we test WF conditions for fn return types in a trait definition.

#![feature(rustc_attrs)]
#![allow(dead_code)]
#![allow(unused_variables)]

struct Bar<T: Eq + ?Sized> {
    value: Box<T>,
}

trait Foo {
    fn bar(&self) -> &Bar<Self>;
    //~^ ERROR E0277
    //
    // Here, Eq ought to be implemented.
}

fn main() {}