osom_lib_hash_tables/abseil/hash_table/
abseil_immutable.rs

1use core::borrow::Borrow;
2use core::hash::Hash;
3
4use osom_lib_primitives::kvp::KVP;
5use osom_lib_primitives::length::Length;
6
7use crate::abseil::hash_table::abseil_unsafe_iter::AbseilUnsafeIter;
8use crate::helpers::ptr_to_ref;
9use crate::traits::ImmutableHashTable;
10
11use crate::abseil::{configuration::AbseilConfig, hash_table::AbseilHashTable};
12
13impl<TKey, TValue, TConfig> ImmutableHashTable<TKey, TValue> for AbseilHashTable<TKey, TValue, TConfig>
14where
15    TKey: Eq + Hash,
16    TConfig: AbseilConfig,
17{
18    #[inline(always)]
19    fn length(&self) -> Length {
20        self.length()
21    }
22
23    #[inline(always)]
24    fn contains<Q>(&self, key: &Q) -> bool
25    where
26        TKey: Borrow<Q>,
27        Q: Eq + Hash + ?Sized,
28    {
29        self.get_key_value(key).is_some()
30    }
31
32    #[inline(always)]
33    fn get<Q>(&self, key: &Q) -> Option<&TValue>
34    where
35        TKey: Borrow<Q>,
36        Q: Eq + Hash + ?Sized,
37    {
38        match self.get_key_value(key) {
39            Some(kvp) => Some(kvp.value),
40            None => None,
41        }
42    }
43
44    fn get_key_value<Q>(&self, key: &Q) -> Option<KVP<&TKey, &TValue>>
45    where
46        TKey: Borrow<Q>,
47        Q: Eq + Hash + ?Sized,
48    {
49        let result = self.get_key_value_raw(key)?;
50        unsafe { Some(result.as_ref_unchecked().as_ref_kvp()) }
51    }
52
53    #[inline(always)]
54    fn iter<'a>(&'a self) -> impl Iterator<Item = KVP<&'a TKey, &'a TValue>>
55    where
56        TKey: 'a,
57        TValue: 'a,
58        Self: 'a,
59    {
60        AbseilUnsafeIter::from_hash_table(self).map(|kvp| ptr_to_ref!(kvp).as_ref_kvp())
61    }
62}
osom_lib_hash_tables/abseil/hash_table/abseil_immutable.rs

osom_lib_hash_tables/abseil/hash_table/
abseil_immutable.rs
