1 files changed, 19 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/set/erase_key.cpp b/src/boost/libs/hana/example/set/erase_key.cpp
new file mode 100644
index 000000000..d3bc3cd56
--- /dev/null
+++ b/src/boost/libs/hana/example/set/erase_key.cpp
@@ -0,0 +1,19 @@
+// 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/erase_key.hpp>
+#include <boost/hana/integral_constant.hpp>
+#include <boost/hana/set.hpp>
+#include <boost/hana/type.hpp>
+namespace hana = boost::hana;
+
+
+int main() {
+    constexpr auto xs = hana::make_set(hana::int_c<0>, hana::type_c<int>, hana::type_c<void>);
+
+    BOOST_HANA_CONSTANT_CHECK(hana::erase_key(xs, hana::type_c<int>) == hana::make_set(hana::int_c<0>, hana::type_c<void>));
+    BOOST_HANA_CONSTANT_CHECK(hana::erase_key(xs, hana::type_c<char>) == xs);
+}