File: issue-83017.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 (37 lines) | stat: -rw-r--r-- 448 bytes parent folder | download | duplicates (17) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
//@ check-pass

trait TraitA<'a> {
    type AsA;
}

trait TraitB<'a, 'b> {
    type AsB;
}

trait TraitC<'a, 'b, 'c> {}

struct X;

impl<'a, 'b, 'c> TraitC<'a, 'b, 'c> for X {}

struct Y;

impl<'a, 'b> TraitB<'a, 'b> for Y {
    type AsB = X;
}

struct Z;

impl<'a> TraitA<'a> for Z {
    type AsA = Y;
}

fn foo<T>()
where
    for<'a> T: TraitA<'a, AsA: for<'b> TraitB<'a, 'b, AsB: for<'c> TraitC<'a, 'b, 'c>>>,
{
}

fn main() {
    foo::<Z>();
}