File: associated-const-use-impl-of-same-trait.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg2-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, 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 (25 lines) | stat: -rw-r--r-- 470 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
25
 
//@ run-pass

// The main purpose of this test is to ensure that different impls of the same
// trait can refer to each other without setting off the static recursion check
// (as long as there's no actual recursion).

trait Foo {
    const BAR: u32;
}

struct IsFoo1;

impl Foo for IsFoo1 {
    const BAR: u32 = 1;
}

struct IsFoo2;

impl Foo for IsFoo2 {
    const BAR: u32 = <IsFoo1 as Foo>::BAR;
}

fn main() {
    assert_eq!(<IsFoo1>::BAR, <IsFoo2 as Foo>::BAR);
}