rust/tests/ui/traits/alias/expand-higher-ranked-alias.rs

19 lines
308 B
Rust

// Make sure we are using the right binder vars when expanding
// `for<'a> Foo<'a>` to `for<'a> Bar<'a>`.
//@ check-pass
#![feature(trait_alias)]
trait Bar<'a> {}
trait Foo<'a> = Bar<'a>;
fn test2(_: &(impl for<'a> Foo<'a> + ?Sized)) {}
fn test(x: &dyn for<'a> Foo<'a>) {
test2(x);
}
fn main() {}