public bool MoveNext()
{
if (_position >= _uniqueKeys.Length)
{
return(false);
}
var currentKey = _uniqueKeys.Get(_position);
var groupLocalList = new LocalList <T>();
for (var i = 0; i < _values.Length; i++)
{
var value = _values.Get(i);
if (_comparer.Equals(currentKey, value.Key))
{
groupLocalList.Add(value.Value);
}
}
_current = new LocalGroup(currentKey, groupLocalList);
_position++;
return(true);
}
public LocalList <TResult> Select <TResult>(Selector <TResult> selector)
{
var result = new LocalList <TResult>(_uniqueKeys._length);
while (MoveNext())
{
var element = selector(_current);
result.Add(element);
}
return(result);
}
internal GroupEnumerator(LocalList <T> list, Func <T, TKey> keySelector, EqualityComparer <TKey> comparer)
{
var values = new LocalList <Row <TKey, T> >(list.Length);
var uniqueKeys = new LocalList <TKey>();
for (var i = 0; i < list.Length; i++)
{
var element = list.Get(i);
var key = keySelector(element);
values.Add(new Row <TKey, T>(key, element));
if (!uniqueKeys.Contains(key, comparer))
{
uniqueKeys.Add(key);
}
}
_comparer = comparer;
_current = default;
_position = 0;
_values = values;
_uniqueKeys = uniqueKeys;
}
public LocalListDebugVisualizer(LocalList <T> list)
{
_list = list;
}
internal LocalGroup(TKey key, LocalList <T> values)
{
Key = key;
Values = values;
}