File: associated-const-cross-crate-const-eval.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 (28 lines) | stat: -rw-r--r-- 663 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
26
27
28
//@ run-pass
//@ aux-build:associated-const-cc-lib.rs


extern crate associated_const_cc_lib as foolib;

pub struct LocalFoo;

impl foolib::Foo for LocalFoo {
    const BAR: usize = 1;
}

const FOO_1: usize = <foolib::FooNoDefault as foolib::Foo>::BAR;
const FOO_2: usize = <LocalFoo as foolib::Foo>::BAR;
const FOO_3: usize = foolib::InherentBar::BAR;

fn main() {
    assert_eq!(0, FOO_1);
    assert_eq!(1, FOO_2);
    assert_eq!(3, FOO_3);

    match 0 {
        <foolib::FooNoDefault as foolib::Foo>::BAR => {},
        <LocalFoo as foolib::Foo>::BAR => assert!(false),
        foolib::InherentBar::BAR => assert!(false),
        _ => assert!(false)
    }
}