File: implied-bounds-unconstrained-2.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 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; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (20 lines) | stat: -rw-r--r-- 410 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
//@ check-pass

// Another minimized regression test for #112832.
trait Trait {
    type Assoc;
}

trait Sub<'a>: Trait<Assoc = <Self as Sub<'a>>::SubAssoc> {
    type SubAssoc;
}

// By using the where-clause we normalize `<T as Trait>::Assoc` to
// `<T as Sub<'a>>::SubAssoc` where `'a` is an unconstrained region
// variable.
fn foo<T>(x: <T as Trait>::Assoc)
where
    for<'a> T: Sub<'a>,
{}

fn main() {}