rust/tests/ui/async-await/in-trait/send-on-foreign-async-fn-in-trait.rs

16 lines
318 B
Rust

// aux-build:foreign-async-fn.rs
// edition:2021
#![feature(async_fn_in_trait)]
extern crate foreign_async_fn;
use foreign_async_fn::Foo;
fn bar<T: Foo>() {
fn needs_send(_: impl Send) {}
needs_send(T::test());
//~^ ERROR `impl Future<Output = ()>` cannot be sent between threads safely
}
fn main() {}