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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) } }