File: kindck-send-object2.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 (24 lines) | stat: -rw-r--r-- 534 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
21
22
23
24
// Continue kindck-send-object1.rs.

fn assert_send<T:Send>() { }
trait Dummy { }

fn test50() {
    assert_send::<&'static dyn Dummy>();
    //~^ ERROR `&'static (dyn Dummy + 'static)` cannot be sent between threads safely [E0277]
}

fn test53() {
    assert_send::<Box<dyn Dummy>>();
    //~^ ERROR `dyn Dummy` cannot be sent between threads safely
}

// ...unless they are properly bounded
fn test60() {
    assert_send::<&'static (dyn Dummy + Sync)>();
}
fn test61() {
    assert_send::<Box<dyn Dummy + Send>>();
}

fn main() { }