private ConsEnumerable()
{
_node = new ConsNode <T>
{
State = StartNode
};
}
public bool MoveNext()
{
if (!AdvanceToNextNode())
{
return(false);
}
if (_node.State == HasEnumeration)
{
_node.Enumerating(new ConsListBuilderEnumerator <ConsNode <T>, T>(_node));
}
if (_node.State == HasValue)
{
return(true);
}
if (_node.Enumerator.MoveNext())
{
var newNode = new ConsNode <T> {
Next = _node.Next
};
newNode.Enumerating(_node.Enumerator);
_node.HasValue(_node.Enumerator.Current.Value);
_node.Next = newNode;
return(true);
}
_node.IgnoredNode();
return(MoveNext());
}
private ConsEnumerable(ConsNode <T> node)
{
_node = new ConsNode <T>
{
State = StartNode,
Next = node
};
}
internal ConsEnumerable(IEnumerable <T> enumeration)
{
_node = _node = new ConsNode <T>
{
State = StartNode,
Next = new ConsNode <T>
{
State = HasEnumeration,
Enumeration = enumeration
}
};
}
private ConsEnumerable(IEnumerable <T> enumeration, IEnumerable <T> head)
{
_node = new ConsNode <T>
{
State = StartNode,
Next = new ConsNode <T>
{
Enumeration = head,
State = HasEnumeration,
Next = new ConsNode <T>
{
Enumeration = enumeration,
State = HasEnumeration
}
}
};
}
private bool AdvanceToNextNode()
{
_node = _node.Next;
if (_node == null)
{
Dispose();
return(false);
}
while (_node.State == IgnoredNode)
{
_node = _node.Next;
if (_node == null)
{
Dispose();
return(false);
}
}
return(true);
}
internal ConsEnumerable(ConsNode <T> node) =>
internal ConsListBuilderEnumerator(ConsNode <T> node) => _enumerator = node.Enumeration.GetEnumerator();
public ConsNodeEnumerator(ConsNode <T> node) => Node = node;
private ConsEnumerable(ConsNode <T> node) =>
