private SlotGuard

include/td/misc/SlotGuard.h

@@ -7,6 +7,7 @@ namespace utils {
 
 /**
  * \brief Wrapper class to automatically disconnect from a Signal on object destruction
+ * \note You should inherit this class privately
  * \sa Signal
  */
 class SlotGuard {

include/td/render/Renderer.h

@@ -18,7 +18,7 @@ class BasicRenderer {
 };
 
 template <typename TShader>
-class Renderer : public BasicRenderer, public utils::SlotGuard {
+class Renderer : public BasicRenderer, private utils::SlotGuard {
   protected:
 	std::unique_ptr<TShader> m_Shader;
 	Camera& m_Camera;