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 #![feature(specialization)]
13 // Regression test for #52050: when inserting the blanket impl `I`
14 // into the tree, we had to replace the child node for `Foo`, which
15 // led to the struture of the tree being messed up.
17 use std::iter::Iterator;
19 trait IntoPyDictPointer { }
23 impl Iterator for Foo {
25 fn next(&mut self) -> Option<()> {
30 impl IntoPyDictPointer for Foo { }
32 impl<I> IntoPyDictPointer for I
38 impl IntoPyDictPointer for () //~ ERROR conflicting implementations