From f95748e82a354f2ac857359774ec3227705838af Mon Sep 17 00:00:00 2001
From: Rutger Broekhoff
Date: Tue, 26 Aug 2025 11:16:29 +0200
Subject: Prelude

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

(limited to 'lib/iban.ml')

diff --git a/lib/iban.ml b/lib/iban.ml
index 1db6c7b..fbea774 100644
--- a/lib/iban.ml
+++ b/lib/iban.ml
@@ -1,11 +1,11 @@
-open Core
+open Prelude
 open Option.Let_syntax
 
 type t = string
 
 (* Modulo-97 arithmetic. Prevents us from having to use Zarith here. *)
 module M97 : sig
-  type t
+  type t = private int
 
   val of_int : int -> t
   val lt : t -> t -> bool
-- 
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