public TKey EnumeratorCurrent <TKey, TValue>(KeyCollectionEnumerator <TKey, TValue> enumerator)
{
if (enumerator.Index == 0 || (enumerator.Index == enumerator.Dictionary.Count + 1))
{
throw new Exception("Enumeration has either not started or has already finished.");
}
return(enumerator.Current);
}
public void Reset <TKey, TValue>(KeyCollectionEnumerator <TKey, TValue> enumerator)
{
if (enumerator.Version != enumerator.Dictionary.Version)
{
throw new Exception("Collection was modified; enumeration operation may not execute.");
}
enumerator.Index = 0;
enumerator.Current = default(TKey);
}
public bool MoveNext <TKey, TValue>(KeyCollectionEnumerator <TKey, TValue> enumerator)
{
if (enumerator.Version != enumerator.Dictionary.Version)
{
throw new Exception("Collection was modified; enumeration operation may not execute.");
}
while ((uint)enumerator.Index < (uint)enumerator.Dictionary.Count)
{
if (enumerator.Dictionary.Entries[enumerator.Index].HashCode >= 0)
{
enumerator.Current = enumerator.Dictionary.Entries[enumerator.Index].Key;
enumerator.Index++;
return(true);
}
enumerator.Index++;
}
enumerator.Index = enumerator.Dictionary.Count + 1;
enumerator.Current = default(TKey);
return(false);
}
public void Dispose <TKey, TValue>(KeyCollectionEnumerator <TKey, TValue> enumerator)
{
}
