From 62e2a6e4849d342f90a3860554bf44df4e563d3b Mon Sep 17 00:00:00 2001
From: Magnus Ahltorp <map@kth.se>
Date: Thu, 25 Sep 2014 15:18:39 +0200
Subject: Added atomic module

---
 src/hex.erl | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/hex.erl')

diff --git a/src/hex.erl b/src/hex.erl
index e3c8441..1eb1e6a 100644
--- a/src/hex.erl
+++ b/src/hex.erl
@@ -4,6 +4,7 @@
 -module(hex).
 -export([bin_to_hexstr/1,hexstr_to_bin/1]).
 
+-spec bin_to_hexstr(binary()) -> string().
 bin_to_hexstr(Bin) ->
   lists:flatten([io_lib:format("~2.16.0B", [X]) ||
     X <- binary_to_list(Bin)]).
-- 
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