2020///
2121/// ```rust
2222/// use std::boxed::Box;
23- /// use leetcode_trees_rs::utils::ListNode;
23+ /// use leetcode_trees_rs::utils::{list_node, ListNode} ;
2424///
2525/// let node = ListNode {
2626/// val: 1,
3232/// }))
3333/// }))
3434/// };
35+ /// assert_eq!(node, list_node!(1, 2, 3, 4));
3536/// ```
3637#[ macro_export]
3738macro_rules! list_node {
@@ -108,9 +109,9 @@ macro_rules! tree {
108109/// ```rust
109110/// use std::{rc::Rc, cell::RefCell, boxed::Box};
110111///
111- /// use leetcode_trees_rs::utils::TreeNode;
112+ /// use leetcode_trees_rs::utils::{symmetric_tree, TreeNode} ;
112113///
113- /// TreeNode {
114+ /// let node = TreeNode {
114115/// val: 1,
115116/// left: Some(Rc::new(RefCell::new(TreeNode{
116117/// val: 2,
@@ -171,6 +172,7 @@ macro_rules! tree {
171172/// }))),
172173/// }))),
173174/// };
175+ /// assert_eq!(node, symmetric_tree!(1, 2, 3, 4));
174176/// ```
175177/// Now you have a tree that branches all the way through the right side without having anything on
176178/// the left.
@@ -221,7 +223,7 @@ macro_rules! symmetric_tree {
221223///
222224/// ```rust
223225/// use std::{rc::Rc, cell::RefCell};
224- /// use leetcode_trees_rs::utils::TreeNode;
226+ /// use leetcode_trees_rs::utils::{left_tree, TreeNode} ;
225227///
226228/// let left_only_tree = TreeNode {
227229/// val: 1,
@@ -236,6 +238,7 @@ macro_rules! symmetric_tree {
236238/// }))),
237239/// right: None,
238240/// };
241+ /// assert_eq!(left_only_tree, left_tree!(1, 2, 3));
239242/// ```
240243#[ macro_export]
241244macro_rules! left_tree {
@@ -277,7 +280,7 @@ macro_rules! left_tree {
277280///
278281/// ```rust
279282/// use std::{rc::Rc, cell::RefCell};
280- /// use leetcode_trees_rs::utils::TreeNode;
283+ /// use leetcode_trees_rs::utils::{right_tree, TreeNode} ;
281284///
282285/// let right_only_tree = TreeNode {
283286/// val: 1,
@@ -292,6 +295,7 @@ macro_rules! left_tree {
292295/// })))
293296/// })))
294297/// };
298+ /// assert_eq!(right_only_tree, right_tree!(1, 2, 3));
295299/// ```
296300#[ macro_export]
297301macro_rules! right_tree {
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