lib/active_memoize/cache.rb in active_memoize-1.0.0 vs lib/active_memoize/cache.rb in active_memoize-1.0.1

@@ -52,10 +52,10 @@
     def merge!(hash)
       @cache.merge!(hash)
     end
 
     def memoize(&block)
-      method_name = "#{caller_method}:#{caller_locals(block)}"
+      method_name = [caller_method, caller_locals(block)].compact.join(':')
       return @cache[method_name] if @cache.key?(method_name)
 
       @cache[method_name] = yield(block)
     end