rust/tests/ui/dropck/dropck-only-error.rs

24 lines
535 B
Rust

// Test that we don't ICE for a typeck error that only shows up in dropck
// issue #135039
pub trait AuthUser {
type Id;
}
pub trait AuthnBackend {
type User: AuthUser;
}
pub struct AuthSession<Backend: AuthnBackend> {
data: Option<<<Backend as AuthnBackend>::User as AuthUser>::Id>,
}
pub trait Authz: Sized {
type AuthnBackend: AuthnBackend<User = Self>;
}
pub fn run_query<User: Authz>(auth: AuthSession<User::AuthnBackend>) {}
//~^ ERROR the trait bound `User: AuthUser` is not satisfied [E0277]
fn main() {}