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//@ run-rustfix
//@ edition: 2021
#![allow(unused)]
trait Foo {
fn test() -> impl std::future::Future<Output = ()> + Send { async {} }
fn test2() -> impl std::future::Future<Output = i32> + Send {async { 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() {}
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