1 files changed, 45 insertions, 0 deletions
diff --git a/src/main_mono.rs b/src/main_mono.rs
new file mode 100644
index 0000000..68da0ff
--- /dev/null
+++ b/src/main_mono.rs
@@ -0,0 +1,45 @@
+use std::cmp::Ordering;
+
+struct AVLNode {
+    value: u32,
+    left: AVLTree,
+    right: AVLTree,
+}
+
+type AVLTree = Option<Box<AVLNode>>;
+
+struct AVLTreeSet<T: Ord> {
+    root: AVLTree<T>,
+}
+
+impl<T: Ord> AVLTreeSet<T> {
+    pub fn new() -> Self {
+        Self { root: None }
+    }
+
+    pub fn insert(&mut self, value: T) -> bool {
+        let mut current_tree = &mut self.root;
+
+        while let Some(current_node) = current_tree {
+            match current_node.value.cmp(&value) {
+                Ordering::Less => current_tree = &mut current_node.right,
+                Ordering::Equal => return false,
+                Ordering::Greater => current_tree = &mut current_node.left,
+            }
+        }
+
+        *current_tree = Some(Box::new(AVLNode {
+            value,
+            left: None,
+            right: None,
+        }));
+
+        true
+    }
+}
+
+fn main() {
+    let mut tree = AVLTreeSet::new();
+    tree.insert(3);
+    tree.insert(2);
+}