File: nested-non-exhaustive-enums.rs

package info (click to toggle)
rustc 1.87.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 925,564 kB
  • sloc: xml: 158,127; python: 36,039; javascript: 19,761; sh: 19,737; cpp: 18,981; ansic: 13,133; asm: 4,376; makefile: 710; perl: 29; lisp: 28; ruby: 19; sql: 11
file content (18 lines) | stat: -rw-r--r-- 585 bytes parent folder | download | duplicates (16)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
//@ aux-build:non-exhaustive.rs

extern crate non_exhaustive;

use non_exhaustive::NonExhaustiveEnum;

fn main() {
    match Some(NonExhaustiveEnum::A) {
        //~^ ERROR non-exhaustive patterns: `Some(_)` not covered [E0004]
        //~| NOTE pattern `Some(_)` not covered
        //~| NOTE `Option<NonExhaustiveEnum>` defined here
        //~| NOTE the matched value is of type `Option<NonExhaustiveEnum>`
        //~| NOTE `NonExhaustiveEnum` is marked as non-exhaustive
        Some(NonExhaustiveEnum::A) => {}
        Some(NonExhaustiveEnum::B) => {}
        None => {}
    }
}