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// check-pass
// pretty-expanded FIXME #23616
// revisions: current next
//[next] compile-flags: -Ztrait-solver=next
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() {}
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