Added a tree_node!() macro for TreeNode::new()

Author: 1Git2Clone

src/macros/mod.rs

@@ -257,6 +257,29 @@ macro_rules! tree {
     }};
 }
 
+/// ## Description
+///
+/// A macro that's used to make a new `TreeNode` element.
+///
+/// ## Match arms
+///
+/// Arm 1:
+/// - Takes an `i32` data type and makes a new `TreeNode` element out of it.
+///
+/// ## Example
+///
+/// ```rust
+/// use leetcode_trees_rs::utils::{tree_node, TreeNode};
+///
+/// assert_eq!(tree_node!(5), TreeNode::new(5));
+/// ```
+#[macro_export]
+macro_rules! tree_node {
+    ($val:expr) => {{
+        $crate::utils::TreeNode::new($val)
+    }};
+}
+
 /// ## Description
 ///
 /// A macro to reduce the boilerplate in generating symmetric binary trees.

src/utils/mod.rs

@@ -22,4 +22,4 @@ pub use crate::list_node;
 /// A re-export for the symmetric_tree!, right_tree! and left_tree! macros.
 /// All of the TreeNode macros can be used to also just generate a new `TreeNode` instance without
 /// expanding on it.
-pub use crate::{left_tree, right_tree, symmetric_tree, tree};
+pub use crate::{left_tree, right_tree, symmetric_tree, tree, tree_node};