ResourceManager: public accessor for fallback resource.

src/ResourceManager.h

@@ -139,6 +139,9 @@ namespace Implementation {
                 ++_lastChange;
             }
 
+            inline T* fallback() { return _fallback; }
+            inline const T* fallback() const { return _fallback; }
+
             inline void setFallback(T* data) {
                 delete _fallback;
                 _fallback = data;
@@ -153,8 +156,6 @@ namespace Implementation {
                 }
             }
 
-            inline T* fallback() const { return _fallback; }
-
         protected:
             inline ResourceManagerData(): _fallback(nullptr), _lastChange(0) {}
 
@@ -364,6 +365,16 @@ template<class... Types> class ResourceManager: protected Implementation::Resour
             this->Implementation::ResourceManagerData<T>::set(key, data, state, policy);
         }
 
+        /** @brief Fallback for not found resources */
+        template<class T> inline T* fallback() {
+            return this->Implementation::ResourceManagerData<T>::fallback();
+        }
+
+        /** @overload */
+        template<class T> inline const T* fallback() const {
+            return this->Implementation::ResourceManagerData<T>::fallback();
+        }
+
         /** @brief Set fallback for not found resources */
         template<class T> inline void setFallback(T* data) {
             return this->Implementation::ResourceManagerData<T>::setFallback(data);