Data commit

Task/Deepcopy/Rust/deepcopy.rust

@@ -0,0 +1,27 @@
+// The compiler can automatically implement Clone on structs (assuming all members have implemented Clone).
+#[derive(Clone)]
+struct Tree<T> {
+    left: Leaf<T>,
+    data: T,
+    right: Leaf<T>,
+}
+
+type Leaf<T> = Option<Box<Tree<T>>>;
+
+impl<T> Tree<T> {
+    fn root(data: T) -> Self {
+        Self { left: None, data, right: None }
+    }
+
+    fn leaf(d: T) -> Leaf<T> {
+        Some(Box::new(Self::root(d)))
+    }
+}
+
+fn main() {
+    let mut tree = Tree::root([4, 5, 6]);
+    tree.right = Tree::leaf([1, 2, 3]);
+    tree.left = Tree::leaf([7, 8, 9]);
+
+    let newtree = tree.clone();
+}