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//@ edition:2018
//@compile-flags: --diagnostic-width=300
#![feature(impl_trait_in_assoc_type)]
pub trait Bar {
type E: Copy;
fn foo<T>() -> Self::E;
}
impl<S> Bar for S {
type E = impl std::marker::Copy;
fn foo<T>() -> Self::E {
//~^ ERROR : Copy` is not satisfied [E0277]
//~| ERROR type parameter `T` is part of concrete type
async {}
}
}
fn main() {}
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