From 401f17afa2e9cc3f2d734aef0d71a2c363838ebd Mon Sep 17 00:00:00 2001
From: pboutill
Date: Fri, 2 Mar 2012 22:30:29 +0000
Subject: Noise for nothing

Util only depends on Ocaml stdlib and Utf8 tables.
Generic pretty printing and loc functions are in Pp.
Generic errors are in Errors.

+ Training white-spaces, useless open, prlist copies random erasure.
Too many "open Errors" on the contrary.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15020 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 lib/option.ml | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'lib/option.ml')

diff --git a/lib/option.ml b/lib/option.ml
index c3fe9ce469..ef7a2e9e58 100644
--- a/lib/option.ml
+++ b/lib/option.ml
@@ -153,6 +153,13 @@ module List =
   let rec flatten = function
     | x::l -> cons x (flatten l)
     | [] -> []
+
+  let rec find f = function
+    |[] -> None
+    |h :: t -> match f h with
+	 |None -> find f t
+	 |x -> x
+
 end
 
 
-- 
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