mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-27 17:24:06 +00:00
23 lines
479 B
Rust
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() {}
|