private BaseImmutableDictionary <TKey, TValue> CopyAndMutate(Action <Dictionary <TKey, TValue> > mutator)
{
BaseImmutableDictionary <TKey, TValue> dictionary = new BaseImmutableDictionary <TKey, TValue>();
foreach (KeyValuePair <TKey, TValue> pair in _dictionary)
{
dictionary._dictionary.Add(pair.Key, pair.Value);
}
mutator(dictionary._dictionary);
return(dictionary);
}
/// <summary>
/// Creates a dictionary with the specified initial capacity.
/// </summary>
/// <param name="capacity">the starting capacity of the dictionary</param>
public ImmutableDictionary(int capacity)
{
_headDictionary = new BaseImmutableDictionary <TKey, TValue>(capacity);
}
/// <summary>
/// Default constructor.
/// </summary>
public ImmutableDictionary()
{
_headDictionary = new BaseImmutableDictionary <TKey, TValue>();
}