Stashbox by Peter Csajtai

<PackageReference Include="Stashbox" Version="3.3.0-preview-601" />

.NET API 161,280 bytes

ImmutableBucket<TKey, TValue>

class ImmutableBucket<TKey, TValue> : IEnumerable<TValue>, IEnumerable

public static readonly ImmutableBucket<TKey, TValue> Empty

public readonly int Length

public readonly KeyValue<TKey, TValue>[] Repository

public ImmutableBucket(KeyValue<TKey, TValue>[] repository)

public IEnumerator<TValue> GetEnumerator()

public TValue GetOrDefault(TKey key, bool byRef)