rust/tests/ui/implied-bounds/from-trait-impl.rs

24 lines
431 B
Rust

trait Trait {
type Assoc;
}
impl<X: 'static> Trait for (X,) {
type Assoc = ();
}
struct Foo<T: Trait>(T)
where
T::Assoc: Clone; // any predicate using `T::Assoc` works here
fn func1(foo: Foo<(&str,)>) {
//~^ ERROR `&str` does not fulfill the required lifetime
let _: &'static str = foo.0.0;
}
trait TestTrait {}
impl<X> TestTrait for [Foo<(X,)>; 1] {}
//~^ ERROR `X` may not live long enough
fn main() {}