implement mementos snapshots

1 files changed, 13 insertions, 0 deletions

diff --git a/Memento.h b/Memento.h
new file mode 100644
index 0000000..0bc6c92
--- /dev/null
+++ b/Memento.h
@@ -0,0 +1,13 @@
+#pragma once
+
+#include <vector>
+#include <memory>
+
+class Memento {
+public:
+	Memento() = default;
+	virtual ~Memento() = default;
+};
+
+typedef std::vector<std::unique_ptr<Memento>> Memories;
+