Added an unshare function to Bu::SharedCore.

It simply forces a hard copy, which means the instance you called this
on will be independant of any other copies.  It's something that should
exist, but I'm not sure if unshare is the right name.  It's in there
now, though.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/stable/sharedcore.h b/src/stable/sharedcore.h
index 9108294..e68cf21 100644
--- a/src/stable/sharedcore.h
+++ b/src/stable/sharedcore.h
@@ -113,6 +113,11 @@ namespace Bu
             return dynamic_cast<const _SharedType &>(rOther).core == core;
         }
 
+        void unshare()
+        {
+            _hardCopy();
+        }
+
     protected:
         Core *core;
         void _hardCopy()