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use crate::{
collections::hash_set::{ArchivedHashSet, HashSetResolver},
ser::{ScratchSpace, Serializer},
Archive, Deserialize, Fallible, Serialize,
};
use core::{borrow::Borrow, hash::Hash};
use std::collections::HashSet;
impl<K: Archive + Hash + Eq> Archive for HashSet<K>
where
K::Archived: Hash + Eq,
{
type Archived = ArchivedHashSet<K::Archived>;
type Resolver = HashSetResolver;
#[inline]
unsafe fn resolve(&self, pos: usize, resolver: Self::Resolver, out: *mut Self::Archived) {
ArchivedHashSet::<K::Archived>::resolve_from_len(self.len(), pos, resolver, out);
}
}
impl<K: Serialize<S> + Hash + Eq, S: ScratchSpace + Serializer + ?Sized> Serialize<S> for HashSet<K>
where
K::Archived: Hash + Eq,
{
#[inline]
fn serialize(&self, serializer: &mut S) -> Result<Self::Resolver, S::Error> {
unsafe { ArchivedHashSet::serialize_from_iter(self.iter(), serializer) }
}
}
impl<K, D> Deserialize<HashSet<K>, D> for ArchivedHashSet<K::Archived>
where
K: Archive + Hash + Eq,
K::Archived: Deserialize<K, D> + Hash + Eq,
D: Fallible + ?Sized,
{
#[inline]
fn deserialize(&self, deserializer: &mut D) -> Result<HashSet<K>, D::Error> {
let mut result = HashSet::new();
for k in self.iter() {
result.insert(k.deserialize(deserializer)?);
}
Ok(result)
}
}
impl<K: Hash + Eq + Borrow<AK>, AK: Hash + Eq> PartialEq<HashSet<K>> for ArchivedHashSet<AK> {
#[inline]
fn eq(&self, other: &HashSet<K>) -> bool {
if self.len() != other.len() {
false
} else {
self.iter().all(|key| other.get(key).is_some())
}
}
}
impl<K: Hash + Eq + Borrow<AK>, AK: Hash + Eq> PartialEq<ArchivedHashSet<AK>> for HashSet<K> {
#[inline]
fn eq(&self, other: &ArchivedHashSet<AK>) -> bool {
other.eq(self)
}
}