patch to add IsRegistered() method to Factory

[Nicholas Leippe]

In a project I did using loki, adding the following simple patch proved necessary:

---------------------------- include/loki/Factory.h ----------------------------
index c4c3b22..cf6ab61 100644
@@ -817,6 +817,12 @@ template <typename AP, typename Id, typename P1 >
             return ids;
         }

+   bool IsRegistered(const IdentifierType& id) const
+   {
+            typename IdToProductMap::const_iterator i = associations_.find(id);
+            return i != associations_.end();
+   }
+
         AbstractProduct* CreateObject(const IdentifierType& id)
         {
             typename IdToProductMap::iterator i = associations_.find(id);

[Guillaume CHATELET]

Can you inline i ?