File: or-pattern.rs

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rustc 1.87.0%2Bdfsg1-1
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//@ run-pass
#![allow(non_camel_case_types)]

enum blah { a(isize, isize, #[allow(dead_code)] usize), b(isize, isize), c, }

fn or_alt(q: blah) -> isize {
    match q { blah::a(x, y, _) | blah::b(x, y) => { return x + y; } blah::c => { return 0; } }
}

pub fn main() {
    assert_eq!(or_alt(blah::c), 0);
    assert_eq!(or_alt(blah::a(10, 100, 0)), 110);
    assert_eq!(or_alt(blah::b(20, 200)), 220);
}