mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-31 22:41:50 +00:00
27 lines
630 B
Rust
27 lines
630 B
Rust
// revisions: no_drop_tracking drop_tracking drop_tracking_mir
|
|
// [drop_tracking] compile-flags: -Zdrop-tracking
|
|
// [drop_tracking_mir] compile-flags: -Zdrop-tracking-mir
|
|
#![feature(negative_impls)]
|
|
// edition:2018
|
|
|
|
// This tests the specialized async-await-specific error when futures don't implement an
|
|
// auto trait (which is specifically Send) due to some type that was captured.
|
|
|
|
struct Foo;
|
|
|
|
impl !Send for Foo {}
|
|
|
|
fn is_send<T: Send>(t: T) { }
|
|
|
|
async fn bar() {
|
|
let x = Box::new(Foo);
|
|
baz().await;
|
|
}
|
|
|
|
async fn baz() { }
|
|
|
|
fn main() {
|
|
is_send(bar());
|
|
//~^ ERROR future cannot be sent between threads safely
|
|
}
|