From a4641e67a3bf0cadeac6c6fa59289c7d47a3dd71 Mon Sep 17 00:00:00 2001
From: Edouard DUPIN <yui.heero@gmail.com>
Date: Wed, 7 Jun 2017 00:26:04 +0000
Subject: [PATCH] [DEBUG] missing functionnal

---
 ethread/Promise.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ethread/Promise.hpp b/ethread/Promise.hpp
index 9f67598..cead12b 100644
--- a/ethread/Promise.hpp
+++ b/ethread/Promise.hpp
@@ -7,6 +7,7 @@
 
 #include <mutex>
 #include <thread>
+#include <functional>
 #include <echrono/Duration.hpp>
 
 namespace ethread {