1 files changed, 18 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/type/integral.cpp b/src/boost/libs/hana/example/type/integral.cpp
new file mode 100644
index 000000000..612665de9
--- /dev/null
+++ b/src/boost/libs/hana/example/type/integral.cpp
@@ -0,0 +1,18 @@
+// 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)
+
+#include <boost/hana/assert.hpp>
+#include <boost/hana/ext/std/integral_constant.hpp>
+#include <boost/hana/not.hpp>
+#include <boost/hana/type.hpp>
+
+#include <type_traits>
+namespace hana = boost::hana;
+
+
+constexpr auto is_void = hana::integral(hana::metafunction<std::is_void>);
+BOOST_HANA_CONSTANT_CHECK(is_void(hana::type_c<void>));
+BOOST_HANA_CONSTANT_CHECK(hana::not_(is_void(hana::type_c<int>)));
+
+int main() { }