mirror of https://github.com/rust-lang/rust
31 lines
484 B
Rust
31 lines
484 B
Rust
use std::thread;
|
|
use std::rc::Rc;
|
|
|
|
#[derive(Debug)]
|
|
struct Port<T>(Rc<T>);
|
|
|
|
fn main() {
|
|
#[derive(Debug)]
|
|
struct Foo {
|
|
_x: Port<()>,
|
|
}
|
|
|
|
impl Drop for Foo {
|
|
fn drop(&mut self) {}
|
|
}
|
|
|
|
fn foo(x: Port<()>) -> Foo {
|
|
Foo {
|
|
_x: x
|
|
}
|
|
}
|
|
|
|
let x = foo(Port(Rc::new(())));
|
|
|
|
thread::spawn(move|| {
|
|
//~^ ERROR `Rc<()>` cannot be sent between threads safely
|
|
let y = x;
|
|
println!("{:?}", y);
|
|
});
|
|
}
|