pub struct BloomFilter<T, B, const K: usize = 100, const H: usize = 10>where
T: ?Sized,{ /* private fields */ }
Expand description
Implements the bloom filter.
[B
] is an instance of BuildHasherExt
trait which helps generating multiple hash values for any given item [T
].
The [K
] generic argument represents the number of usize cells in the inner array.
The [H
] generic argument represents the number of hash values computed for each item.
§Example
Implementations§
Source§impl<T, B, const K: usize, const H: usize> BloomFilter<T, B, K, H>
impl<T, B, const K: usize, const H: usize> BloomFilter<T, B, K, H>
Sourcepub fn new(builder: B) -> Self
pub fn new(builder: B) -> Self
Creates a new BloomFilter
instance based on a given BuildHasherExt
instance and a give number of hash values for each item.
Source§impl<T, B, const K: usize, const H: usize> BloomFilter<T, B, K, H>
impl<T, B, const K: usize, const H: usize> BloomFilter<T, B, K, H>
Sourcepub fn insert<U>(&mut self, item: &U)
pub fn insert<U>(&mut self, item: &U)
Inserts in the filter a new item.
§Example
use aabel_bloom_rs::*;
use aabel_multihash_rs::*;
// Create the hasher builder
let keys1 = (0, 0);
let keys2 = (1, 1);
let builder = BuildPairHasher::new_with_keys(keys1, keys2);
// Create the bloom filter
let mut filter = BloomFilter::<[u8], _>::new(builder);
// Insert in the filter
filter.insert(&[1u8, 2, 3]);
Sourcepub fn contains<U>(&mut self, item: &U) -> bool
pub fn contains<U>(&mut self, item: &U) -> bool
Checks if a given item is present in the filter.
§Example
use aabel_bloom_rs::*;
use aabel_multihash_rs::*;
// Create the hasher builder
let keys1 = (0, 0);
let keys2 = (1, 1);
let builder = BuildPairHasher::new_with_keys(keys1, keys2);
// Create the bloom filter
let mut filter = BloomFilter::<[u8], _>::new(builder);
// Insert and contains operations on the filter
filter.insert(&[1u8, 2, 3]);
let res = filter.contains(&[1u8, 2, 3].as_slice());
assert!(res)
Auto Trait Implementations§
impl<T, B, const K: usize, const H: usize> Freeze for BloomFilter<T, B, K, H>
impl<T, B, const K: usize, const H: usize> RefUnwindSafe for BloomFilter<T, B, K, H>
impl<T, B, const K: usize, const H: usize> Send for BloomFilter<T, B, K, H>
impl<T, B, const K: usize, const H: usize> Sync for BloomFilter<T, B, K, H>
impl<T, B, const K: usize, const H: usize> Unpin for BloomFilter<T, B, K, H>
impl<T, B, const K: usize, const H: usize> UnwindSafe for BloomFilter<T, B, K, H>
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