/// <inheritdoc cref="ICloneable.Clone" />
public object Clone()
{
lock (_syncRoot)
{
BidirectionalDictionary <TKey, TValue> result
= new BidirectionalDictionary <TKey, TValue>();
foreach (KeyValuePair <TKey, TValue> pair in _straight)
{
result._straight.Add(pair.Key, pair.Value);
result._reverse.Add(pair.Value, pair.Key);
}
return(result);
}
}
/// <summary>
/// Gets read-only shallow copy of the
/// <see cref="BidirectionalDictionary{TKey,TValue}"/>.
/// </summary>
/// <returns>Read-only shallow copy of the dictionary.</returns>
public BidirectionalDictionary <TKey, TValue> AsReadOnly()
{
lock (_syncRoot)
{
BidirectionalDictionary <TKey, TValue> result
= new BidirectionalDictionary <TKey, TValue>
{
_straight = _straight,
_reverse = _reverse,
_isReadOnly = true
};
return(result);
}
}