File: unboxed-closures-infer-fnmut.rs

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rustc 1.85.0%2Bdfsg2-3
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//@ run-pass
// Test that we are able to infer a suitable kind for this closure
// that is just called (`FnMut`).

fn main() {
    let mut counter = 0;

    {
        let mut tick = || counter += 1;
        tick();
        tick();
    }

    assert_eq!(counter, 2);
}