File: dont-drop-upcast-candidate.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg2-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 893,176 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (13 lines) | stat: -rw-r--r-- 253 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
 
#![feature(unsize)]

use std::marker::Unsize;
use std::ops::Deref;

trait Foo: Bar {}
trait Bar {}

impl<T> Bar for T where dyn Foo: Unsize<dyn Bar> {}
impl Bar for () {}
//~^ ERROR conflicting implementations of trait `Bar` for type `()`

fn main() {}