File: trait-non-item-macros.rs

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rustc 1.70.0%2Bdfsg1-9
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macro_rules! bah {
    ($a:expr) => {
        $a
    }; //~^ ERROR macro expansion ignores token `2` and any following
}

trait Bar {
    bah!(2);
}

fn main() {
    let _recovery_witness: () = 0; //~ ERROR mismatched types
}