| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // Test case where an associated type is referenced from within the |
| // supertrait definition, and the impl makes the wrong |
| // associations. Issue #20220. |
| |
| use std::vec::IntoIter; |
| |
| pub trait Foo: Iterator<Item=<Self as Foo>::Key> { |
| type Key; |
| } |
| |
| impl Foo for IntoIter<i32> { //~ ERROR type mismatch |
| type Key = u32; |
| } |
| |
| fn main() { |
| } |
