1 files changed, 20 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/range/comparable.cpp b/src/boost/libs/hana/example/range/comparable.cpp
new file mode 100644
index 000000000..a27014cc4
--- /dev/null
+++ b/src/boost/libs/hana/example/range/comparable.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/not_equal.hpp>
+#include <boost/hana/range.hpp>
+namespace hana = boost::hana;
+
+
+// empty ranges are equal
+BOOST_HANA_CONSTANT_CHECK(hana::make_range(hana::int_c<6>, hana::int_c<6>) == hana::make_range(hana::int_c<0>, hana::int_c<0>));
+
+// otherwise, ranges are equal if and only if they span the same interval
+BOOST_HANA_CONSTANT_CHECK(hana::make_range(hana::int_c<2>, hana::int_c<5>) == hana::make_range(hana::int_c<2>, hana::int_c<5>));
+BOOST_HANA_CONSTANT_CHECK(hana::make_range(hana::int_c<0>, hana::int_c<3>) != hana::make_range(hana::int_c<-1>, hana::int_c<3>));
+
+int main() { }