1 files changed, 21 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/boost/thread/futures/is_future_type.hpp b/src/third_party/boost-1.69.0/boost/thread/futures/is_future_type.hpp
new file mode 100644
index 00000000000..df7a680faae
--- /dev/null
+++ b/src/third_party/boost-1.69.0/boost/thread/futures/is_future_type.hpp
@@ -0,0 +1,21 @@
+//  (C) Copyright 2008-10 Anthony Williams
+//  (C) Copyright 2011-2015 Vicente J. Botet Escriba
+//
+//  Distributed under the Boost Software License, Version 1.0. (See
+//  accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_THREAD_FUTURES_IS_FUTURE_TYPE_HPP
+#define BOOST_THREAD_FUTURES_IS_FUTURE_TYPE_HPP
+
+#include <boost/type_traits/integral_constant.hpp>
+
+namespace boost
+{
+    template<typename T>
+    struct is_future_type : false_type
+    {
+    };
+}
+
+#endif // header