File: multidispatch2.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 (38 lines) | stat: -rw-r--r-- 561 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
29
30
31
32
33
34
35
36
37
38
//@ run-pass

use std::fmt::Debug;

trait MyTrait<T> {
    fn get(&self) -> T;
}

impl<T> MyTrait<T> for T
    where T : Default
{
    fn get(&self) -> T {
        Default::default()
    }
}

#[derive(Copy, Clone)]
struct MyType {
    dummy: usize
}

impl MyTrait<usize> for MyType {
    fn get(&self) -> usize { self.dummy }
}

fn test_eq<T,M>(m: M, v: T)
where T : Eq + Debug,
      M : MyTrait<T>
{
    assert_eq!(m.get(), v);
}

pub fn main() {
    test_eq(22_usize, 0_usize);

    let value = MyType { dummy: 256 + 22 };
    test_eq(value, value.dummy);
}