1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
use std::collections::hash_map;
use std::iter::Iterator;
use crate::headers::{HeaderName, HeaderValue};
#[derive(Debug)]
pub struct Values<'a> {
pub(super) inner: hash_map::Values<'a, HeaderName, Vec<HeaderValue>>,
slot: Option<&'a Vec<HeaderValue>>,
cursor: usize,
}
impl<'a> Values<'a> {
pub(crate) fn new(inner: hash_map::Values<'a, HeaderName, Vec<HeaderValue>>) -> Self {
Self {
inner,
slot: None,
cursor: 0,
}
}
}
impl<'a> Iterator for Values<'a> {
type Item = &'a HeaderValue;
fn next(&mut self) -> Option<Self::Item> {
loop {
if self.slot.is_none() {
let next = self.inner.next()?;
self.cursor = 0;
self.slot = Some(next);
}
match self.slot.unwrap().get(self.cursor) {
Some(item) => {
self.cursor += 1;
return Some(item);
}
None => {
self.slot = None;
continue;
}
}
}
}
#[inline]
fn size_hint(&self) -> (usize, Option<usize>) {
self.inner.size_hint()
}
}