uibarbuttonitem.rb in sugarcube-1.4.5

- old
+ new

@@ -127,10 +127,10 @@
 
   # Adds the action and keeps a strong reference to the Proc object.
   def set_target_and_action target, action
     self.target = target
     self.action = 'sugarcube_handle_action:'
-    @sugarcube_action = action
+    @sugarcube_action = action.respond_to?('weak!') ? action.weak! : action
   end
 
 
 private
 