File: closure-no-fn-4.rs

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rustc 1.88.0%2Bdfsg1-1
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fn main() {
    let b = 2;
    let _: fn(usize) -> usize = match true {
        true => |a| a + 1,
        false => |a| a - b,
        //~^ ERROR `match` arms have incompatible types
    };
}