#[cxx::bridge]
mod ffi {
    extern "C++" {
        fn f(callback: fn() -> Result<()>);
    }
}

fn main() {}

#[cxx::bridge]
mod ffi {
    unsafe extern "C++" {
        fn f(callback: fn() -> Result<()>);
    }
}

fn main() {}

Fix conflict between pr 456 and fallible fn ui test
Fix conflict between pr 456 and fallible fn ui test
