1 files changed, 41 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/_include/support/constexpr_move_only.hpp b/src/boost/libs/hana/test/_include/support/constexpr_move_only.hpp
new file mode 100644
index 000000000..bdc234afe
--- /dev/null
+++ b/src/boost/libs/hana/test/_include/support/constexpr_move_only.hpp
@@ -0,0 +1,41 @@
+// Copyright Louis Dionne 2013-2017
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#ifndef TEST_SUPPORT_CONSTEXPR_MOVE_ONLY_HPP
+#define TEST_SUPPORT_CONSTEXPR_MOVE_ONLY_HPP
+
+#include <boost/hana/bool.hpp>
+#include <boost/hana/fwd/hash.hpp>
+#include <boost/hana/type.hpp>
+
+#include <utility>
+
+
+// A move-only type that's also a literal type. It is also Comparable and
+// Hashable so it can be used in associative containers.
+template <int i>
+struct ConstexprMoveOnly {
+    constexpr ConstexprMoveOnly() { }
+    constexpr ConstexprMoveOnly(ConstexprMoveOnly const&) = delete;
+    constexpr ConstexprMoveOnly& operator=(ConstexprMoveOnly const&) = delete;
+    constexpr ConstexprMoveOnly(ConstexprMoveOnly&&) { }
+};
+
+template <int i, int j>
+constexpr auto operator==(ConstexprMoveOnly<i> const&, ConstexprMoveOnly<j> const&)
+{ return boost::hana::bool_c<i == j>; }
+
+template <int i, int j>
+constexpr auto operator!=(ConstexprMoveOnly<i> const&, ConstexprMoveOnly<j> const&)
+{ return boost::hana::bool_c<i != j>; }
+
+namespace boost { namespace hana {
+    template <int i>
+    struct hash_impl<ConstexprMoveOnly<i>> {
+        static constexpr auto apply(ConstexprMoveOnly<i> const&)
+        { return hana::type_c<ConstexprMoveOnly<i>>; };
+    };
+}}
+
+#endif // !TEST_SUPPORT_CONSTEXPR_MOVE_ONLY_HPP