[rustc.git] / src / test / ui / issues / issue-7013.rs

#![feature(box_syntax)]

use std::cell::RefCell;
use std::rc::Rc;

trait Foo {
    fn set(&mut self, v: Rc<RefCell<A>>);
}

struct B {
    v: Option<Rc<RefCell<A>>>
}

impl Foo for B {
    fn set(&mut self, v: Rc<RefCell<A>>)
    {
        self.v = Some(v);
    }
}

struct A {
    v: Box<dyn Foo + Send>,
}

fn main() {
    let a = A {v: box B{v: None} as Box<dyn Foo + Send>};
    //~^ ERROR `Rc<RefCell<A>>` cannot be sent between threads safely
}
Commit	Line	Data
1a4d82fc JJ	1	#![feature(box_syntax)]
	2
	3	use std::cell::RefCell;
	4	use std::rc::Rc;
	5
	6	trait Foo {
	7	fn set(&mut self, v: Rc<RefCell<A>>);
970d7e83	8	}
223e47cc	9
1a4d82fc JJ	10	struct B {
1a4d82fc JJ	11	v: Option<Rc<RefCell<A>>>
970d7e83 LB	12	}
970d7e83 LB	13
1a4d82fc JJ	14	impl Foo for B {
	15	fn set(&mut self, v: Rc<RefCell<A>>)
	16	{
	17	self.v = Some(v);
970d7e83	18	}
223e47cc	19	}
970d7e83	20
1a4d82fc	21	struct A {
dc9dc135	22	v: Box<dyn Foo + Send>,
970d7e83 LB	23	}
	24
	25	fn main() {
dc9dc135	26	let a = A {v: box B{v: None} as Box<dyn Foo + Send>};
1b1a35ee	27	//~^ ERROR `Rc<RefCell<A>>` cannot be sent between threads safely
1a4d82fc	28	}