16 lines
295 B
Rust
16 lines
295 B
Rust
|
#![feature(negative_impls, generators)]
|
||
|
|
|
||
|
|
struct Foo(i32);
|
||
|
|
impl !Send for Foo {}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
assert_send(|| { //~ ERROR generator cannot be sent between threads safely
|
||
|
|
let guard = Foo(42);
|
||
|
|
yield;
|
||
|
|
drop(guard);
|
||
|
|
yield;
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
fn assert_send<T: Send>(_: T) {}
|