mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-31 04:57:19 +00:00
31 lines
482 B
Rust
31 lines
482 B
Rust
//! Test that `Rc<T>` cannot be sent between threads.
|
|
|
|
use std::rc::Rc;
|
|
use std::thread;
|
|
|
|
#[derive(Debug)]
|
|
struct Port<T>(Rc<T>);
|
|
|
|
#[derive(Debug)]
|
|
struct Foo {
|
|
_x: Port<()>,
|
|
}
|
|
|
|
impl Drop for Foo {
|
|
fn drop(&mut self) {}
|
|
}
|
|
|
|
fn foo(x: Port<()>) -> Foo {
|
|
Foo { _x: x }
|
|
}
|
|
|
|
fn main() {
|
|
let x = foo(Port(Rc::new(())));
|
|
|
|
thread::spawn(move || {
|
|
//~^ ERROR `Rc<()>` cannot be sent between threads safely
|
|
let y = x;
|
|
println!("{:?}", y);
|
|
});
|
|
}
|