| use crate::HashSet; |
| use core::{ |
| borrow::Borrow, |
| hash::{BuildHasher, Hash}, |
| }; |
| use rkyv::{ |
| collections::hash_set::{ArchivedHashSet, HashSetResolver}, |
| ser::{ScratchSpace, Serializer}, |
| Archive, Deserialize, Fallible, Serialize, |
| }; |
| |
| impl<K: Archive + Hash + Eq, S> Archive for HashSet<K, S> |
| 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, S, RS> Serialize<S> for HashSet<K, RS> |
| where |
| K::Archived: Hash + Eq, |
| K: Serialize<S> + Hash + Eq, |
| S: ScratchSpace + Serializer + ?Sized, |
| { |
| #[inline] |
| fn serialize(&self, serializer: &mut S) -> Result<Self::Resolver, S::Error> { |
| unsafe { ArchivedHashSet::serialize_from_iter(self.iter(), serializer) } |
| } |
| } |
| |
| impl<K, D, S> Deserialize<HashSet<K, S>, D> for ArchivedHashSet<K::Archived> |
| where |
| K: Archive + Hash + Eq, |
| K::Archived: Deserialize<K, D> + Hash + Eq, |
| D: Fallible + ?Sized, |
| S: Default + BuildHasher, |
| { |
| #[inline] |
| fn deserialize(&self, deserializer: &mut D) -> Result<HashSet<K, S>, D::Error> { |
| let mut result = HashSet::with_hasher(S::default()); |
| for k in self.iter() { |
| result.insert(k.deserialize(deserializer)?); |
| } |
| Ok(result) |
| } |
| } |
| |
| impl<K: Hash + Eq + Borrow<AK>, AK: Hash + Eq, S: BuildHasher> PartialEq<HashSet<K, S>> |
| for ArchivedHashSet<AK> |
| { |
| #[inline] |
| fn eq(&self, other: &HashSet<K, S>) -> 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, S: BuildHasher> PartialEq<ArchivedHashSet<AK>> |
| for HashSet<K, S> |
| { |
| #[inline] |
| fn eq(&self, other: &ArchivedHashSet<AK>) -> bool { |
| other.eq(self) |
| } |
| } |
| |
| #[cfg(test)] |
| mod tests { |
| use crate::HashSet; |
| use alloc::string::String; |
| use rkyv::{ |
| archived_root, check_archived_root, |
| ser::{serializers::AllocSerializer, Serializer}, |
| Deserialize, Infallible, |
| }; |
| |
| #[test] |
| fn index_set() { |
| let mut value = HashSet::new(); |
| value.insert(String::from("foo")); |
| value.insert(String::from("bar")); |
| value.insert(String::from("baz")); |
| value.insert(String::from("bat")); |
| |
| let mut serializer = AllocSerializer::<4096>::default(); |
| serializer.serialize_value(&value).unwrap(); |
| let result = serializer.into_serializer().into_inner(); |
| let archived = unsafe { archived_root::<HashSet<String>>(result.as_ref()) }; |
| |
| assert_eq!(value.len(), archived.len()); |
| for k in value.iter() { |
| let ak = archived.get(k.as_str()).unwrap(); |
| assert_eq!(k, ak); |
| } |
| |
| let deserialized: HashSet<String> = archived.deserialize(&mut Infallible).unwrap(); |
| assert_eq!(value, deserialized); |
| } |
| |
| #[test] |
| fn validate_index_set() { |
| let mut value = HashSet::new(); |
| value.insert(String::from("foo")); |
| value.insert(String::from("bar")); |
| value.insert(String::from("baz")); |
| value.insert(String::from("bat")); |
| |
| let mut serializer = AllocSerializer::<4096>::default(); |
| serializer.serialize_value(&value).unwrap(); |
| let result = serializer.into_serializer().into_inner(); |
| check_archived_root::<HashSet<String>>(result.as_ref()) |
| .expect("failed to validate archived index set"); |
| } |
| } |