rust/tests/ui/hygiene/assoc_ty_bindings.rs

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

38 lines
571 B
Rust
Raw Normal View History

2019-06-12 15:18:32 +00:00
//@ check-pass
#![feature(decl_macro, associated_type_defaults)]
2019-06-12 15:18:32 +00:00
trait Base {
type AssocTy;
fn f();
}
trait Derived: Base {
fn g();
}
macro mac() {
2020-02-10 16:39:10 +00:00
type A = dyn Base<AssocTy = u8>;
type B = dyn Derived<AssocTy = u8>;
impl Base for u8 {
type AssocTy = u8;
fn f() {
let _: Self::AssocTy;
}
}
impl Derived for u8 {
fn g() {
let _: Self::AssocTy;
}
}
fn h<T: Base, U: Derived>() {
let _: T::AssocTy;
let _: U::AssocTy;
}
}
mac!();
fn main() {}