tests/ui/foreign/issue-91370-foreign-fn-block-impl.rs


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// Regression test for issue #91370.

extern "C" {
    //~^ NOTE `extern` blocks define existing foreign functions
    fn f() {
        //~^ ERROR incorrect function inside `extern` block
        //~| NOTE cannot have a body
        //~| NOTE for more information, visit https://doc.rust-lang.org/std/keyword.extern.html
        impl Copy for u8 {}
    }
}

fn main() {}