HOWZ1T /
Ptypes
| ⇢ | A | BinaryTree::pre_order_traversal() added | |
| ⇢ | A | BinaryTree::post_order_traversal() added | |
| ⇢ | A | BinaryTreeTest::it_can_traverse_post_order() added | |
| ⇢ | A | BinaryTreeTest::it_can_traverse_pre_order() added | |
| A | ↘ | B | BinaryTree::traverse() got worse |
