File: builtin-superkinds-self-type.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-- 447 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
//@ run-pass
// Tests the ability for the Self type in default methods to use
// capabilities granted by builtin kinds as supertraits.


use std::sync::mpsc::{Sender, channel};

trait Foo : Send + Sized + 'static {
    fn foo(self, tx: Sender<Self>) {
        tx.send(self).unwrap();
    }
}

impl <T: Send + 'static> Foo for T { }

pub fn main() {
    let (tx, rx) = channel();
    1193182.foo(tx);
    assert_eq!(rx.recv().unwrap(), 1193182);
}