From 981e8bfd12f79cb469bb54a915230eda6dafab41 Mon Sep 17 00:00:00 2001
From: Christian C <cc@localhost>
Date: Sun, 23 Mar 2025 14:59:45 -0700
Subject: Comparator Type

---
 include/lib/algo/avl_tree.h | 8 +++++---
 lib/algo/avl_tree.c         | 4 ++--
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/include/lib/algo/avl_tree.h b/include/lib/algo/avl_tree.h
index 4467fd1..4400aa6 100644
--- a/include/lib/algo/avl_tree.h
+++ b/include/lib/algo/avl_tree.h
@@ -8,9 +8,11 @@
 
 #define AvlHeight_t uint8_t
 
+typedef bool_t (*AvlComparator)(void*, void*);
+
 struct AVLNode {
   void* data;
-  bool_t (*compare)(void*, void*);
+  AvlComparator compare;
   struct AVLNode* left;
   struct AVLNode* right;
   AvlHeight_t height;
@@ -32,10 +34,10 @@ struct AVLNode* right_rotate(struct AVLNode* parent);
 struct AVLNode* left_rotate(struct AVLNode* parent);
 
 // Create AVL node
-struct AVLNode* create_avl_node(void* data, bool_t (*compare)(void*, void*));
+struct AVLNode* create_avl_node(void* data, AvlComparator compare);
 
 // Insert data into AVL tree
-struct Result avl_insert(struct AVLNode* node, void* data, bool_t (*compare)(void*, void*));
+struct Result avl_insert(struct AVLNode* node, void* data, AvlComparator compare);
 
 // In-order traversal print pointer
 void print_in_order(struct AVLNode* root);
diff --git a/lib/algo/avl_tree.c b/lib/algo/avl_tree.c
index 3b5c8aa..9ac5d47 100644
--- a/lib/algo/avl_tree.c
+++ b/lib/algo/avl_tree.c
@@ -57,7 +57,7 @@ struct AVLNode* left_rotate(struct AVLNode* parent)
 }
 
 // Create AVL node
-struct AVLNode* create_avl_node(void* data, bool_t (*compare)(void*, void*))
+struct AVLNode* create_avl_node(void* data, AvlComparator compare)
 {
   struct AVLNode* node = (struct AVLNode*)malloc(sizeof(struct AVLNode));
   if (node == NULL) {
@@ -72,7 +72,7 @@ struct AVLNode* create_avl_node(void* data, bool_t (*compare)(void*, void*))
 }
 
 // Insert data into AVL tree
-struct Result avl_insert(struct AVLNode* node, void* data, bool_t (*compare)(void*, void*))
+struct Result avl_insert(struct AVLNode* node, void* data, AvlComparator compare)
 {
   struct Result result;
   // 1. Standard BST insertion
-- 
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