From d2429145729aa9960457e24f18289dbcbb78c7f6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ion=20Gazta=C3=B1aga?= <igaztanaga@gmail.com>
Date: Wed, 26 Sep 2018 01:09:19 +0200
Subject: [PATCH] Forward declare equal_to

---
 include/boost/container/detail/std_fwd.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/boost/container/detail/std_fwd.hpp b/include/boost/container/detail/std_fwd.hpp
index 0967812..a25c411 100644
--- a/include/boost/container/detail/std_fwd.hpp
+++ b/include/boost/container/detail/std_fwd.hpp
@@ -32,6 +32,9 @@ class allocator;
 template<class T>
 struct less;
 
+template<class T>
+struct equal_to;
+
 template<class T1, class T2>
 struct pair;