File: norm-before-method-resolution.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 (24 lines) | stat: -rw-r--r-- 390 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
20
21
22
23
24
 
//@ check-pass

// We normalize and check bounds before we resolve the generics
// of the function (which we know because of the return type).

trait Trait<'a> {
    type Out;
}

impl<'a, T> Trait<'a> for T {
    type Out = T;
}

fn weird_bound<X>() -> X
where
    for<'a> X: Trait<'a>,
    for<'a> <X as Trait<'a>>::Out: Copy,
{
    todo!()
}

fn main() {
    let _: () = weird_bound();
}