started with object proxy

include/matador/object/object_proxy.hpp

@@ -0,0 +1,26 @@
+#ifndef OBJECT_PROXY_HPP
+#define OBJECT_PROXY_HPP
+
+#include <memory>
+
+namespace matador::object {
+
+class basic_object_proxy {
+public:
+    virtual ~basic_object_proxy() = default;
+
+    virtual void *get() const = 0;
+};
+
+template<class Type>
+class object_proxy : public basic_object_proxy {
+public:
+    void *get() const override { return static_cast<Type *>(this)->get(); }
+
+    Type* operator->() const { return obj_.get(); }
+private:
+    std::shared_ptr<Type> obj_{};
+};
+
+}
+#endif //OBJECT_PROXY_HPP