1 files changed, 20 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/sum.cpp b/src/boost/libs/hana/example/sum.cpp
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+++ b/src/boost/libs/hana/example/sum.cpp
@@ -0,0 +1,20 @@
+// 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/equal.hpp>
+#include <boost/hana/integral_constant.hpp>
+#include <boost/hana/range.hpp>
+#include <boost/hana/sum.hpp>
+#include <boost/hana/tuple.hpp>
+namespace hana = boost::hana;
+
+
+BOOST_HANA_CONSTANT_CHECK(hana::sum<>(hana::make_range(hana::int_c<1>, hana::int_c<6>)) == hana::int_c<15>);
+
+static_assert(hana::sum<>(hana::make_tuple(1, hana::int_c<3>, hana::long_c<-5>, 9)) == 8, "");
+
+static_assert(hana::sum<unsigned long>(hana::make_tuple(1ul, 3ul)) == 4ul, "");
+
+int main() { }