Data commit

Task/Deepcopy/Nim/deepcopy-1.nim

@@ -0,0 +1 @@
+deepCopy(newObj, obj)

Task/Deepcopy/Nim/deepcopy-2.nim

@@ -0,0 +1,34 @@
+type
+  Node[T] = ref TNode[T]
+  TNode[T] = object
+    data: T
+    left, right: Node[T]
+
+proc newNode[T](data: T; left, right: Node[T] = nil): Node[T] =
+  Node[T](data: data, left: left, right: right)
+
+proc preorder[T](n: Node[T]): seq[T] =
+  if n == nil: @[]
+  else: @[n.data] & preorder(n.left) & preorder(n.right)
+
+var tree = 1.newNode(
+             2.newNode(
+               4.newNode(
+                 7.newNode),
+               5.newNode),
+             3.newNode(
+               6.newNode(
+                 8.newNode,
+                 9.newNode)))
+
+var tree2: Node[int]
+tree2.deepCopy tree
+tree2.data = 10
+tree2.left.data = 20
+tree2.right.left.data = 90
+
+echo "Tree2:"
+echo preorder tree2
+
+echo "Tree:"
+echo preorder tree