ImmutableArray<TKey, TValue>

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

public static readonly ImmutableArray<TKey, TValue> Empty

public TValue this[int i] { get; }

public TValue Last { get; }

public int Length { get; }

public KeyValue<TKey, TValue>[] Repository { get; }

public ImmutableArray<TKey, TValue> Add(TKey key, TValue value)

public ImmutableArray<TKey, TValue> AddOrUpdate(TKey key, TValue value, bool allowUpdate = true)

public TValue GetOrDefault(TKey key)

Stashbox by Peter Csajtai