File: recursive-types-are-not-uninhabited.rs

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rustc 1.88.0%2Bdfsg1-1
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struct R<'a> {
    r: &'a R<'a>,
}

fn foo(res: Result<u32, &R>) -> u32 {
    let Ok(x) = res;
    //~^ ERROR refutable pattern
    x
}

fn main() {
    foo(Ok(23));
}