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

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// run-rustfix
// edition: 2021
#![allow(unused)]
trait Foo {
async fn test() -> () {}
async fn test2() -> i32 { 1 + 2 }
}
fn bar<T: Foo>() {
fn needs_send(_: impl Send) {}
needs_send(T::test());
//~^ ERROR `impl Future<Output = ()>` cannot be sent between threads safely
needs_send(T::test2());
//~^ ERROR `impl Future<Output = i32>` cannot be sent between threads safely
}
fn main() {}