mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-05 13:13:40 +00:00
19 lines
264 B
Rust
19 lines
264 B
Rust
#![feature(negative_impls)]
|
|
|
|
use std::marker::Send;
|
|
|
|
struct NoSend;
|
|
impl !Send for NoSend {}
|
|
|
|
enum Foo {
|
|
A(NoSend)
|
|
}
|
|
|
|
fn bar<T: Send>(_: T) {}
|
|
|
|
fn main() {
|
|
let x = Foo::A(NoSend);
|
|
bar(x);
|
|
//~^ ERROR `NoSend` cannot be sent between threads safely
|
|
}
|