rust/tests/ui/async-await/awaiting-unsized-param.rs
2023-09-23 13:34:07 +00:00

14 lines
366 B
Rust

// edition: 2021
#![feature(unsized_fn_params, unsized_locals)]
//~^ WARN the feature `unsized_locals` is incomplete
use std::future::Future;
async fn bug<T>(mut f: dyn Future<Output = T> + Unpin) -> T {
//~^ ERROR the size for values of type `(dyn Future<Output = T> + Unpin + 'static)` cannot be known at compilation time
(&mut f).await
}
fn main() {}