File: supply-nothing.rs

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rustc 1.87.0%2Bdfsg1-1
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//@ run-pass
fn with_closure<F>(f: F) -> u32
    where F: FnOnce(&u32, &u32) -> u32
{
    f(&22, &44)
}

fn main() {
    let z = with_closure(|x, y| x + y).wrapping_add(1);
    assert_eq!(z, 22 + 44 + 1);
}