Fixed Mesh::entitiesAvailable method

src/TNL/Meshes/Mesh.h

@@ -52,8 +52,8 @@ class Mesh : public Object/*,
  
       static constexpr int getMeshDimension();
 
-      template< int Dimension >
-      bool entitiesAvalable() const;
+      template< int Dimensions >
+      static constexpr bool entitiesAvailable();
  
       GlobalIndexType getNumberOfCells() const;
 

src/TNL/Meshes/MeshDetails/Mesh_impl.h

@@ -46,10 +46,10 @@ getMeshDimension()
 }
 
 template< typename MeshConfig >
-   template< int Dimension >
-bool
+   template< int Dimensions >
+constexpr bool
 Mesh< MeshConfig >::
-entitiesAvalable() const
+entitiesAvailable()
 {
    return MeshTraitsType::template EntityTraits< Dimension >::available;
 }