/// <summary>
/// Advances enumeration to the next element.
/// </summary>
/// <returns>A value indicating whether there is another element in the enumeration.</returns>
public bool MoveNext()
{
this.ThrowIfDisposed();
if (_stack != null)
{
var stack = _stack.Use(ref this);
if (stack.Count > 0)
{
SortedInt32KeyNode <TValue> n = stack.Pop().Value;
_current = n;
this.PushLeft(n.Right !);
return(true);
}
}
_current = null;
return(false);
}
/// <summary>
/// Advances enumeration to the next element.
/// </summary>
/// <returns>A value indicating whether there is another element in the enumeration.</returns>
public bool MoveNext()
{
this.ThrowIfDisposed();
this.ThrowIfChanged();
var stack = _stack.Use(ref this);
if (stack.Count > 0)
{
Node n = stack.Pop().Value;
_current = n;
this.PushNext(_reverse ? n.Left : n.Right);
return(true);
}
else
{
_current = null;
return(false);
}
}
/// <summary>
/// Advances enumeration to the next element.
/// </summary>
/// <returns>A value indicating whether there is another element in the enumeration.</returns>
public bool MoveNext()
{
this.ThrowIfDisposed();
this.ThrowIfChanged();
if (_stack != null)
{
var stack = _stack.Use(ref this);
if (stack.Count > 0)
{
Node n = stack.Pop().Value;
_current = n;
this.PushLeft(n.Right);
return(true);
}
}
_current = null;
return(false);
}
/// <summary>
/// Advances enumeration to the next element.
/// </summary>
/// <returns>A value indicating whether there is another element in the enumeration.</returns>
public bool MoveNext()
{
this.ThrowIfDisposed();
this.ThrowIfChanged();
if (_stack != null)
{
var stack = _stack.Use(ref this);
if (_remainingCount > 0 && stack.Count > 0)
{
Node n = stack.Pop().Value;
_current = n;
this.PushNext(this.NextBranch(n));
_remainingCount--;
return(true);
}
}
_current = null;
return(false);
}
