ImmutableArray<TKey, TValue> sealed class ImmutableArray<TKey, TValue> : IEnumerable<TValue>, IEnumerable Documentation Code 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(KeyValue<TKey, TValue>[] initial) public ImmutableArray(TKey key, TValue value) public ImmutableArray() public ImmutableArray<TKey, TValue> Add(TKey key, TValue value) public ImmutableArray<TKey, TValue> AddOrUpdate(TKey key, TValue value, bool allowUpdate = true, Action<TValue, TValue> updateAction = null) public IEnumerator<TValue> GetEnumerator() public TValue GetOrDefault(TKey key)