1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Test that we correctly normalize the type of a struct field
12 // which has an associated type.
20 pub struct Node<K:UnifyKey> {
25 fn foo<K : UnifyKey<Value=Option<V>>,V : Clone>(node: &Node<K>) -> Option<V> {
29 impl UnifyKey for i32 {
30 type Value = Option<u32>;
33 impl UnifyKey for u32 {
34 type Value = Option<i32>;
38 let node: Node<i32> = Node { key: 1, value: Some(22) };
39 assert_eq!(foo(&node), Some(22));
41 let node: Node<u32> = Node { key: 1, value: Some(22) };
42 assert_eq!(foo(&node), Some(22));