Fix use of function pugs function adapter

src/language/modules/MeshModule.cpp

@@ -18,11 +18,11 @@
 
 template <typename T>
 class MeshTransformation;
-template <typename OutputType, typename... InputType>
-class MeshTransformation<OutputType(InputType...)> : public PugsFunctionAdapter<OutputType(InputType...)>
+template <typename OutputType, typename InputType>
+class MeshTransformation<OutputType(InputType)> : public PugsFunctionAdapter<OutputType(InputType)>
 {
   static constexpr size_t Dimension = OutputType::Dimension;
-  using Adapter                     = PugsFunctionAdapter<OutputType(InputType...)>;
+  using Adapter                     = PugsFunctionAdapter<OutputType(InputType)>;
 
  public:
   static inline std::shared_ptr<Mesh<Connectivity<Dimension>>>
@@ -36,7 +36,7 @@ class MeshTransformation<OutputType(InputType...)> : public PugsFunctionAdapter<
 
     Array<ExecutionPolicy> context_list = Adapter::getContextList(expression);
 
-    NodeValue<const OutputType> given_xr = given_mesh.xr();
+    NodeValue<const InputType> given_xr = given_mesh.xr();
     NodeValue<OutputType> xr(given_mesh.connectivity());
 
     using execution_space = typename Kokkos::DefaultExecutionSpace::execution_space;