rust/tests/ui/coherence/orphan-check-weak-aliases-covering.rs

21 lines
439 B
Rust

// Weak aliases cover type parameters if they normalize to a (local) type that covers them.
//@ check-pass
//@ revisions: classic next
//@[next] compile-flags: -Znext-solver
//@ aux-crate:foreign=parametrized-trait.rs
//@ edition:2021
#![feature(lazy_type_alias)]
#![allow(incomplete_features)]
type Alias<T> = LocalWrapper<T>;
struct Local;
struct LocalWrapper<T>(T);
impl<T> foreign::Trait1<Local, T> for Alias<T> {}
fn main() {}