57       left:  GeneratePayloadTree(depth - 1, tag),
173     node.left = this.root_;
178     node.left = this.root_.left;
179     this.root_.left = null;
202   if (!this.root_.left) {
206     this.root_ = this.root_.left;
263   } else if (this.root_.left) {
264     return this.findMax(this.root_.left);
302   var dummy, left, right;
303   dummy = left = right = new SplayTree.Node(null, null);
307       if (!current.left) {
310       if (key < current.left.key) {
312         var tmp = current.left;
313         current.left = tmp.right;
316         if (!current.left) {
321       right.left = current;
323       current = current.left;
331         current.right = tmp.left;
332         tmp.left = current;
339       left.right = current;
340       left = current;
347   left.right = current.left;
348   right.left = current.right;
349   current.left = dummy.right;
350   current.right = dummy.left;
370 SplayTree.Node.prototype.left = null;  method in SplayTree.Node
389     var left = current.left;
390     if (left) left.traverse_(f);