implemented magic __compare() method

1 files changed, 14 insertions, 0 deletions

diff --git a/include/base.h b/include/base.h
index 6541549..e99023b 100644
--- a/include/base.h
+++ b/include/base.h
@@ -218,6 +218,20 @@ public:
      *  @return bool
      */
     virtual bool __toBool();
+
+    /**
+     *  Compare the object with a different object of the same type
+     *  
+     *  This method should return 0 if both objects are equal, a negative value
+     *  if the 'this' object is smaller, and a positive value if the 'this'
+     *  object is bigger.
+     * 
+     *  The passed in object is an instance of base
+     * 
+     *  @param  that        Object to compare with
+     *  @return int
+     */
+    virtual bool __compare(const Base &that) const;
     
     
 private: