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// edition:2018
// incremental
pub struct SadGirl;
impl SadGirl {
pub async fn call(&self) -> Result<(), ()> {
Ok(())
}
}
async fn async_main() -> Result<(), ()> {
// should be `.call().await?`
SadGirl {}.call()?; //~ ERROR: the `?` operator can only be applied to values
Ok(())
}
fn main() {
let _ = async_main();
}
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