rust/tests/ui/generic-associated-types/impl_bounds.rs

25 lines
660 B
Rust

#![feature(associated_type_defaults)]
trait Foo {
type A<'a> where Self: 'a;
type B<'a, 'b> where 'a: 'b;
type C where Self: Clone;
fn d() where Self: Clone;
}
#[derive(Copy, Clone)]
struct Fooy<T>(T);
impl<T> Foo for Fooy<T> {
type A<'a> = (&'a ()) where Self: 'static;
//~^ ERROR impl has stricter requirements than trait
type B<'a, 'b> = (&'a(), &'b ()) where 'b: 'a;
//~^ ERROR impl has stricter requirements than trait
type C = String where Self: Copy;
//~^ ERROR the trait bound `T: Copy` is not satisfied
fn d() where Self: Copy {}
//~^ ERROR the trait bound `T: Copy` is not satisfied
}
fn main() {}