/// <summary>
/// Returns an enumerator that iterates through the collection.
/// </summary>
/// <returns>
/// A <see cref="T:System.Collections.Generic.IEnumerator`1"/> that can be used to iterate through the collection.
/// </returns>
public IEnumerator <KeyValuePair <TKey, TValue> > GetEnumerator()
{
var values = _buffer.Select(x => new KeyValuePair <TKey, TValue>(KeyInfo <TKey> .FromInt(x.Key), x.Value));
foreach (var v in values)
{
yield return(v);
}
}