| #![feature(specialization)] //~ WARN the feature `specialization` is incomplete |
| |
| // Regression test for #52050: when inserting the blanket impl `I` |
| // into the tree, we had to replace the child node for `Foo`, which |
| // led to the structure of the tree being messed up. |
| |
| use std::iter::Iterator; |
| |
| trait IntoPyDictPointer { } |
| |
| struct Foo { } |
| |
| impl Iterator for Foo { |
| type Item = (); |
| fn next(&mut self) -> Option<()> { |
| None |
| } |
| } |
| |
| impl IntoPyDictPointer for Foo { } |
| |
| impl<I> IntoPyDictPointer for I |
| where |
| I: Iterator, |
| { |
| } |
| |
| impl IntoPyDictPointer for () //~ ERROR conflicting implementations |
| { |
| } |
| |
| fn main() { } |
