rust/tests/ui/builtin-superkinds/builtin-superkinds-self-typ...

19 lines
481 B
Rust

// Tests (negatively) the ability for the Self type in default methods
// to use capabilities granted by builtin kinds as supertraits.
use std::sync::mpsc::{channel, Sender};
trait Foo : Sized+Sync+'static {
fn foo(self, mut chan: Sender<Self>) { }
}
impl <T: Sync> Foo for T { }
//~^ ERROR the parameter type `T` may not live long enough
fn main() {
let (tx, rx) = channel();
1193182.foo(tx);
assert_eq!(rx.recv(), 1193182);
//~^ ERROR: mismatched types
}