create a stack using a dynamic array.. (sort of cheating a bit)

1 files changed, 13 insertions, 0 deletions

diff --git a/lib/data_structures/dynamic_array_stack.rb b/lib/data_structures/dynamic_array_stack.rb
new file mode 100644
index 0000000..a709956
--- /dev/null
+++ b/lib/data_structures/dynamic_array_stack.rb
@@ -0,0 +1,13 @@
+class DynamicArrayStack
+  def initialize(items = [])
+    @items = items
+  end
+
+  def pop
+    @items.pop
+  end
+
+  def push(item)
+    @items.push(item)
+  end
+end