/// <summary>
/// Tries to return a value under provided <paramref name="key"/>, if such entry exists.
/// </summary>
public bool TryGetValue(TKey key, out BigInteger value)
{
if (Underlying.TryGetValue(key, out var counter))
{
value = counter.Value;
return(true);
}
value = BigInteger.Zero;
return(false);
}
public bool TryGetValue(TKey key, out IImmutableSet<TValue> value)
{
ORSet<TValue> set;
if (_underlying.TryGetValue(key, out set))
{
value = set.Elements;
return true;
}
value = null;
return false;
}
public bool TryGetValue(TKey key, out IImmutableSet <TValue> value)
{
if (!_withValueDeltas || Underlying.KeySet.Contains(key))
{
ORSet <TValue> set;
if (Underlying.TryGetValue(key, out set))
{
value = set.Elements;
return(true);
}
}
value = null;
return(false);
}