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#![feature(type_alias_impl_trait)]
#![allow(dead_code)]
mod m {
use std::rc::Rc;
type Foo = impl std::fmt::Debug; //~ NOTE appears within the type
//~^ within this `Foo`
//~| expansion of desugaring
pub fn foo() -> Foo {
Rc::new(22_u32)
}
}
fn is_send<T: Send>(_: T) {}
//~^ required by this bound
//~| required by a bound
fn main() {
is_send(m::foo());
//~^ ERROR: `Rc<u32>` cannot be sent between threads safely [E0277]
//~| NOTE cannot be sent
//~| NOTE required by a bound
}
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