From e6ab6822e9fa00e8f0ee41421693159a81e47dd5 Mon Sep 17 00:00:00 2001
From: Claudio Sacerdoti Coen <claudio.sacerdoticoen@unibo.it>
Date: Thu, 17 May 2012 11:33:34 +0000
Subject: [PATCH] Efficient hashing used.

---
 matita/components/ng_tactics/nnAuto.ml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/matita/components/ng_tactics/nnAuto.ml b/matita/components/ng_tactics/nnAuto.ml
index b8a3dd44a..25bc63761 100644
--- a/matita/components/ng_tactics/nnAuto.ml
+++ b/matita/components/ng_tactics/nnAuto.ml
@@ -26,9 +26,9 @@ let app_counter = ref 0
 
 module RHT = struct
   type t = NReference.reference
-  let equal = (==)
-  let compare = Pervasives.compare
-  let hash = Hashtbl.hash
+  let equal = NReference.eq
+  let compare = NReference.compare
+  let hash = NReferece.hash
 end;;
 
 module RefHash = Hashtbl.Make(RHT);;
-- 
2.39.2