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use async_trait::async_trait;
pub struct Struct;
#[async_trait]
pub trait Trait {
async fn f((_a, _b): (Struct, Struct)) {
// Expands to something like:
//
// fn f(__arg0: (Struct, Struct)) -> … {
// Box::pin(async move {
// let (_a, _b) = __arg0;
// …
// })
// }
//
// but user's code must not be allowed to name that temporary argument:
let _ = __arg0;
}
}
fn main() {}