lib/mize/global_clear.rb in mize-0.0.0 vs lib/mize/global_clear.rb in mize-0.0.1

@@ -18,9 +18,10 @@
         cache_tracker.each_name do |id|
           begin
             cache = ObjectSpace._id2ref id
           rescue RangeError
           end
+          cache.conform_to?(Mize::CacheProtocol) or cache = nil
           yield id, cache
         end
       end
     end