From 9cf6b3543bf369ccb4d3b0909ee3db96e074e24e Mon Sep 17 00:00:00 2001
From: msozeau
Date: Wed, 10 Feb 2010 00:14:07 +0000
Subject: Fix [Existing Class] impl and add documentation. Fix computation of
 the dependency order of obligations that was not backwards-compatible.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12719 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 lib/util.ml  | 2 ++
 lib/util.mli | 1 +
 2 files changed, 3 insertions(+)

(limited to 'lib')

diff --git a/lib/util.ml b/lib/util.ml
index b8ceea3ea0..8512e10e1c 100644
--- a/lib/util.ml
+++ b/lib/util.ml
@@ -1126,6 +1126,8 @@ let identity x = x
 
 let compose f g x = f (g x)
 
+let const x _ = x
+
 let iterate f =
   let rec iterate_f n x =
     if n <= 0 then x else iterate_f (pred n) (f x)
diff --git a/lib/util.mli b/lib/util.mli
index 7784635c3c..ddf32e7623 100644
--- a/lib/util.mli
+++ b/lib/util.mli
@@ -262,6 +262,7 @@ val matrix_transpose : 'a list list -> 'a list list
 
 val identity : 'a -> 'a
 val compose : ('a -> 'b) -> ('c -> 'a) -> 'c -> 'b
+val const : 'a -> 'b -> 'a
 val iterate : ('a -> 'a) -> int -> 'a -> 'a
 val repeat : int -> ('a -> unit) -> 'a -> unit
 val iterate_for : int -> int -> (int -> 'a -> 'a) -> 'a -> 'a
-- 
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