Make ample use of the contextual keyword 'override'.

[ginac.git] / ginac / symmetry.h

diff --git a/ginac/symmetry.h b/ginac/symmetry.h
index 6839e7562d2948bed4879298a55d861773e41eda..c369aed32636c070bdc3dd7e7343d3af3f9a43c7 100644 (file)
--- a/ginac/symmetry.h
+++ b/ginac/symmetry.h
@@ -61,6 +61,15 @@ public:
        /** Create node with two children. */
        symmetry(symmetry_type t, const symmetry &c1, const symmetry &c2);
 
+       // functions overriding virtual functions from base classes
+public:
+       /** Save (a.k.a. serialize) object into archive. */
+       void archive(archive_node& n) const override;
+       /** Read (a.k.a. deserialize) object from archive. */
+       void read_archive(const archive_node& n, lst& syms) override;
+protected:
+       unsigned calchash() const override;
+
        // non-virtual functions in this class
 public:
        /** Get symmetry type. */
@@ -84,15 +93,9 @@ public:
        bool has_nonsymmetric() const;
        /** Check whether this node involves a cyclic symmetry. */
        bool has_cyclic() const;
-
-       /** Save (a.k.a. serialize) object into archive. */
-       void archive(archive_node& n) const;
-       /** Read (a.k.a. deserialize) object from archive. */
-       void read_archive(const archive_node& n, lst& syms);
 protected:
        void do_print(const print_context & c, unsigned level) const;
        void do_print_tree(const print_tree & c, unsigned level) const;
-       unsigned calchash() const;
 
        // member variables
 private: