public bool MoveNext()
{
if (_version != _coll.Version)
{
throw new System.InvalidOperationException($"{_coll.GetType()} changed while iterating over it");
}
var entries = _coll._entries;
var comparer = _coll.Comparer;
while (_nextI >= 0)
{
_previousI = _currentI;
_currentI = _nextI;
_nextI = entries[_nextI].Next;
ref var entry = ref entries[_currentI];
if (entry.HashCode == _hashCode && comparer.Equals(entry.Key, _key))
{
return(true);
}
}