| // check-pass | |
| // pretty-expanded FIXME #23616 | |
| use std::slice; | |
| pub struct PhfMapEntries<'a, T: 'a> { | |
| iter: slice::Iter<'a, (&'static str, T)>, | |
| } | |
| impl<'a, T> Iterator for PhfMapEntries<'a, T> { | |
| type Item = (&'static str, &'a T); | |
| fn next(&mut self) -> Option<(&'static str, &'a T)> { | |
| self.iter.by_ref().map(|&(key, ref value)| (key, value)).next() | |
| } | |
| fn size_hint(&self) -> (usize, Option<usize>) { | |
| self.iter.size_hint() | |
| } | |
| } | |
| fn main() {} |