lib/sup/mbox.rb in sup-0.15.2 vs lib/sup/mbox.rb in sup-0.15.3

@@ -159,10 +159,10 @@
   end
 
   ## TODO optimize this by iterating over allterms list backwards or
   ## storing source_info negated
   def last_indexed_message
-    benchmark(:mbox_read_index) { Enumerator.new(Index.instance, :each_source_info, self.id).map(&:to_i).max }
+    benchmark(:mbox_read_index) { Index.instance.enum_for(:each_source_info, self.id).map(&:to_i).max }
   end
 
   ## offset of first new message or nil
   def first_new_message
     next_offset(last_indexed_message || 0)