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-rw-r--r--3rdParty/Boost/src/boost/parameter/aux_/is_maybe.hpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/parameter/aux_/is_maybe.hpp b/3rdParty/Boost/src/boost/parameter/aux_/is_maybe.hpp
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+++ b/3rdParty/Boost/src/boost/parameter/aux_/is_maybe.hpp
@@ -0,0 +1,26 @@
+// Copyright Daniel Wallin, David Abrahams 2010. Use, modification and
+// distribution is subject to 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_PARAMETER_IS_MAYBE_050329_HPP
+#define BOOST_PARAMETER_IS_MAYBE_050329_HPP
+
+#include <boost/type_traits/is_base_and_derived.hpp>
+
+namespace boost {
+namespace parameter {
+namespace aux {
+
+struct maybe_base {};
+
+template <class T>
+struct is_maybe
+ : is_base_and_derived<maybe_base, T>
+{};
+
+} // namespace aux
+} // namespace parameter
+} // namespace boost
+
+#endif // BOOST_PARAMETER_IS_MAYBE_050329_HPP