From 49d88d98a0656233f15923d31ea67a1ed229e514 Mon Sep 17 00:00:00 2001
From: Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
Date: Sun, 9 Mar 2014 22:37:41 +0100
Subject: work in progress on iterators

---
 include/class.h | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'include/class.h')

diff --git a/include/class.h b/include/class.h
index e9a7179..6bcefda 100644
--- a/include/class.h
+++ b/include/class.h
@@ -154,7 +154,7 @@ private:
      *  Construct a new instance of the object
      *  @return Base
      */
-    virtual Base* construct() override
+    virtual Base* construct() const override
     {
         // construct an instance
         return new T();
@@ -165,7 +165,7 @@ private:
      *  @param  orig
      *  @return Base
      */
-    virtual Base *clone(Base *orig) override
+    virtual Base *clone(Base *orig) const override
     {
         // cast to the original object
         T *t = (T *)orig;
@@ -174,6 +174,16 @@ private:
         return new T(*t);
     }
     
+    /**
+     *  Is this class traversable?
+     *  @return bool
+     */
+    virtual bool traversable() const override
+    {
+        // check if the templated class overrides from the base
+        return std::is_base_of<Traversable,T>::value;
+    }
+    
     /**
      *  Namespaces have access to the private base class
      */
-- 
cgit v1.2.3