/// <summary>
/// Creates an Dictionary with the given capacity
/// </summary>
public Dictionary(int capacity)
{
if (IsKeyIdentityType())
{
dict = new DictionaryImplOpenIdentityHashMap <TKey, TValue>(capacity);
}
else
{
dict = new DictionaryImplHashMap <TKey, TValue>(capacity);
}
}
/// <summary>
/// Default ctor
/// </summary>
public Dictionary(IEqualityComparer <TKey> comparer)
{
Comparer = comparer;
if (comparer == null || comparer is EqualityComparer <TKey> .DefaultComparer)
{
dict = new DictionaryImplHashMap <TKey, TValue>();
}
else
{
// have to use the key-wrapping dictionary.
dict = new DictionaryImplHashMapWithComparerWrapper <TKey, TValue>(comparer);
}
}
/// <summary>
/// Default ctor
/// </summary>
public Dictionary(Dictionary <TKey, TValue> source)
{
if (source.dict is DictionaryImplHashMap <TKey, TValue> )
{
dict = new DictionaryImplHashMap <TKey, TValue>((DictionaryImplHashMap <TKey, TValue>)source.dict);
return;
}
if (source.dict is DictionaryImplHashMapWithComparerWrapper <TKey, TValue> )
{
dict = new DictionaryImplHashMapWithComparerWrapper <TKey, TValue>((DictionaryImplHashMapWithComparerWrapper <TKey, TValue>)source.dict);
return;
}
if (source.dict is DictionaryImplOpenIdentityHashMap <TKey, TValue> )
{
dict = new DictionaryImplOpenIdentityHashMap <TKey, TValue>((DictionaryImplOpenIdentityHashMap <TKey, TValue>)source.dict);
return;
}
// can this even happen?
if (source.Comparer == null || source.Comparer is EqualityComparer <TKey> .DefaultComparer)
{
if (IsKeyIdentityType())
{
dict = new DictionaryImplOpenIdentityHashMap <TKey, TValue>();
}
else
{
dict = new DictionaryImplHashMap <TKey, TValue>();
}
}
else
{
dict = new DictionaryImplHashMapWithComparerWrapper <TKey, TValue>(source.Comparer);
}
foreach (var elem in source)
{
dict.Add(elem);
}
}