Use typename instead of class for consistency.

src/mlpack/methods/ann/ffn.hpp

@@ -88,7 +88,7 @@ class FFN
    *
    * @param args The layer parameter.
    */
-  template <class LayerType, class... Args>
+  template <typename LayerType, typename... Args>
   void Add(Args... args)
   {
     network.template Add<LayerType>(args...);

src/mlpack/methods/ann/layer/multi_layer.hpp

@@ -153,7 +153,7 @@ class MultiLayer : public Layer<MatType>
    *
    * @param args The layer parameter.
    */
-  template <class LayerType, class... Args>
+  template <typename LayerType, typename... Args>
   void Add(Args... args)
   {
     network.push_back(new LayerType(args...));

src/mlpack/methods/ann/loss_functions/vr_class_reward.hpp

@@ -68,7 +68,7 @@ class VRClassRewardType
    *
    * @param args The layer parameter.
    */
-  template <class LayerType, class... Args>
+  template <typename LayerType, typename... Args>
   void Add(Args... args) { network.push_back(new LayerType(args...)); }
 
   /**

src/mlpack/methods/ann/rnn.hpp

@@ -79,7 +79,7 @@ class RNN
    *
    * @param args The layer parameter.
    */
-  template <class LayerType, class... Args>
+  template <typename LayerType, typename... Args>
   void Add(Args... args) { network.template Add<LayerType>(args...); }
 
   /**