File: let-pattern.rs

package info (click to toggle)
rustc 1.88.0%2Bdfsg1-2
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid
  • size: 934,168 kB
  • sloc: xml: 158,127; python: 36,062; javascript: 19,855; sh: 19,700; cpp: 18,947; ansic: 12,993; asm: 4,792; makefile: 690; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (17 lines) | stat: -rw-r--r-- 333 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
//@ run-pass

fn or_pat_let(x: Result<u32, u32>) -> u32 {
    let (Ok(y) | Err(y)) = x;
    y
}

fn or_pat_arg((Ok(y) | Err(y)): Result<u32, u32>) -> u32 {
    y
}

fn main() {
    assert_eq!(or_pat_let(Ok(3)), 3);
    assert_eq!(or_pat_let(Err(5)), 5);
    assert_eq!(or_pat_arg(Ok(7)), 7);
    assert_eq!(or_pat_arg(Err(9)), 9);
}