wasmer_types/
archives.rs

1#[cfg(feature = "core")]
2use core::hash::Hash;
3use indexmap::IndexMap;
4use rkyv::Archive;
5#[cfg(feature = "std")]
6use std::hash::Hash;
7
8#[derive(rkyv::Serialize, rkyv::Deserialize, rkyv::Archive)]
9/// See [`IndexMap`]
10pub struct ArchivableIndexMap<K: Hash + Ord + Archive, V: Archive> {
11    entries: Vec<(K, V)>,
12}
13
14impl<K: Hash + Ord + Archive, V: Archive> ArchivedArchivableIndexMap<K, V> {
15    pub fn iter(&self) -> core::slice::Iter<'_, (K::Archived, V::Archived)> {
16        self.entries.iter()
17    }
18}
19
20impl<K: Hash + Ord + Archive + Clone, V: Archive> From<IndexMap<K, V>>
21    for ArchivableIndexMap<K, V>
22{
23    fn from(it: IndexMap<K, V>) -> ArchivableIndexMap<K, V> {
24        let mut r = ArchivableIndexMap {
25            entries: Vec::new(),
26        };
27        for (k, v) in it.into_iter() {
28            r.entries.push((k, v));
29        }
30        r
31    }
32}
33
34impl<K: Hash + Ord + Archive + Clone, V: Archive> Into<IndexMap<K, V>>
35    for ArchivableIndexMap<K, V>
36{
37    fn into(self) -> IndexMap<K, V> {
38        let mut r = IndexMap::new();
39        for (k, v) in self.entries.into_iter() {
40            r.insert(k, v);
41        }
42        r
43    }
44}