19                 t->root_ && !t->root_->parent_ && !t->root_->prev_ &&  in add_before()
20                 !t->root_->next_);  in add_before()
21             t->root_->parent_ = this->parent_;  in add_before()
22             t->root_->next_ = this;  in add_before()
24                 t->root_->prev_ = this->prev_;  in add_before()
25                 this->prev_->next_ = t->root_;  in add_before()
28                 this->parent_->children_ = t->root_;  in add_before()
30             this->prev_ = t->root_;  in add_before()
31             t->root_ = 0;  in add_before()
37                 t->root_ && !t->root_->parent_ && !t->root_->prev_ &&  in add_after()
38                 !t->root_->next_);  in add_after()
39             t->root_->parent_ = this->parent_;  in add_after()
40             t->root_->prev_ = this;  in add_after()
41             t->root_->next_ = this->next_;  in add_after()
42             if (this->next_) this->next_->prev_ = t->root_;  in add_after()
43             this->next_ = t->root_;  in add_after()
44             t->root_ = 0;  in add_after()
50                 t->root_ && !t->root_->parent_ && !t->root_->prev_ &&  in add_first_child()
51                 !t->root_->next_);  in add_first_child()
52             t->root_->parent_ = this;  in add_first_child()
53             t->root_->next_ = this->children_;  in add_first_child()
55                 this->children_->prev_ = t->root_;  in add_first_child()
57             this->children_ = t->root_;  in add_first_child()
58             t->root_ = 0;  in add_first_child()
64                 t->root_ && !t->root_->parent_ && !t->root_->prev_ &&  in add_last_child()
65                 !t->root_->next_);  in add_last_child()
66             t->root_->parent_ = this;  in add_last_child()
68                 this->children_ = t->root_;  in add_last_child()
75                 t->root_->prev_ = it;  in add_last_child()
76                 it->next_ = t->root_;  in add_last_child()
78             t->root_ = 0;  in add_last_child()
81         tree_base::tree_base() : root_(0) {}  in tree_base()
82         tree_base::tree_base(tree_node_base* r) : root_(r) {}  in tree_base()
85         tree_base::tree_base(tree_base&& x) : root_(x.root_) { x.root_ = 0; }  in tree_base()
89             root_ = x.root_;  in operator =()
90             x.root_ = 0;  in operator =()
101                     assert(x == root_);  in extract()
102                     root_ = x->next_;  in extract()
131             root_ = x.root_;  in operator =()
134             x.root_ = 0;  in operator =()
150                     assert(x == root_);  in extract()
151                     root_ = x->next_;  in extract()
153                     current_ = root_;  in extract()
170             tree_node_base* n = root_;  in release()
171             root_ = 0;  in release()
188                 root_ = n;  in add_element()