File: try-operator.rs

package info (click to toggle)
rustc 1.86.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid
  • size: 913,560 kB
  • sloc: xml: 158,127; python: 35,921; javascript: 19,689; sh: 19,600; cpp: 18,906; ansic: 13,124; asm: 4,376; makefile: 708; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (23 lines) | stat: -rw-r--r-- 447 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
//@ known-bug: #110395

#![feature(try_trait_v2)]
#![feature(const_trait_impl)]
#![feature(const_try)]
#![feature(const_convert)]

fn main() {
    const fn result() -> Result<bool, ()> {
        Err(())?;
        Ok(true)
    }

    const FOO: Result<bool, ()> = result();
    assert_eq!(Err(()), FOO);

    const fn option() -> Option<()> {
        None?;
        Some(())
    }
    const BAR: Option<()> = option();
    assert_eq!(None, BAR);
}