diff --git a/core-mm/include/blue/core/iterator.hpp b/core-mm/include/blue/core/iterator.hpp
new file mode 100644
index 0000000..0bd528b
--- /dev/null
+++ b/core-mm/include/blue/core/iterator.hpp
@@ -0,0 +1,13 @@
+#ifndef BLUE_CORE_ITERATOR_HPP_
+#define BLUE_CORE_ITERATOR_HPP_
+
+#include <blue/core/object.hpp>
+
+namespace blue::core
+{
+class iterator : public object
+{
+};
+}
+
+#endif
diff --git a/core-mm/iterator.cpp b/core-mm/iterator.cpp
new file mode 100644
index 0000000..191dc55
--- /dev/null
+++ b/core-mm/iterator.cpp
@@ -0,0 +1 @@
+#include <blue/core/iterator.hpp>