From 71d73e9d7f3fd54d5a3264a93c74cd742e3d7de3 Mon Sep 17 00:00:00 2001
From: filliatr
Date: Mon, 18 Oct 1999 14:56:56 +0000
Subject: mise en place module Refiner

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@107 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 lib/util.ml | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'lib/util.ml')

diff --git a/lib/util.ml b/lib/util.ml
index be6f67dc16..440acd6ba2 100644
--- a/lib/util.ml
+++ b/lib/util.ml
@@ -125,6 +125,8 @@ let list_for_all_i p =
 
 let list_except x l = List.filter (fun y -> not (x = y)) l
 
+let list_for_all2eq f l1 l2 = try List.for_all2 f l1 l2 with Failure _ -> false
+
 (* Arrays *)
 
 let array_exists f v = 
@@ -262,6 +264,13 @@ let option_app f = function
   | None -> None
   | Some x -> Some (f x)
 
+let map_succeed f = 
+  let rec map_f = function 
+    | [] -> []
+    |  h::t -> try (let x = f h in x :: map_f t) with Failure _ -> map_f t
+  in 
+  map_f 
+
 (* Pretty-printing *)
   
 let pr_spc () = [< 'sPC >];;
-- 
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