From 461bdc02eb7e879fac3217e127e565b2623aec45 Mon Sep 17 00:00:00 2001
From: Gaëtan Gilbert <gaetan.gilbert@ens-lyon.fr>
Date: Thu, 31 Aug 2017 16:04:18 +0200
Subject: Util.Empty: implement using polymorphic record.

---
 lib/util.ml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/util.ml b/lib/util.ml
index 7d7d380b2..38d73d345 100644
--- a/lib/util.ml
+++ b/lib/util.ml
@@ -38,8 +38,8 @@ let is_blank = function
 
 module Empty =
 struct
-  type t
-  let abort (x : t) = assert false
+  type t = { abort : 'a. 'a }
+  let abort (x : t) = x.abort
 end
 
 (* Strings *)
-- 
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