rust/tests/ui/issues/issue-26262.rs
2023-01-11 09:32:08 +00:00

23 lines
479 B
Rust

// Check that projections don't count as constraining type parameters.
struct S<T>(T);
trait Tr { type Assoc; fn test(); }
impl<T: Tr> S<T::Assoc> {
//~^ ERROR the type parameter `T` is not constrained
fn foo(self, _: T) {
T::test();
}
}
trait Trait1<T> { type Bar; }
trait Trait2<'x> { type Foo; }
impl<'a,T: Trait2<'a>> Trait1<<T as Trait2<'a>>::Foo> for T {
//~^ ERROR the lifetime parameter `'a` is not constrained
type Bar = &'a ();
}
fn main() {}