1 files changed, 42 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/accessors.cpp b/src/boost/libs/hana/example/accessors.cpp
new file mode 100644
index 000000000..cbc489019
--- /dev/null
+++ b/src/boost/libs/hana/example/accessors.cpp
@@ -0,0 +1,42 @@
+// 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/accessors.hpp>
+#include <boost/hana/assert.hpp>
+#include <boost/hana/at.hpp>
+#include <boost/hana/define_struct.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/first.hpp>
+#include <boost/hana/integral_constant.hpp>
+#include <boost/hana/second.hpp>
+#include <boost/hana/string.hpp>
+
+#include <string>
+namespace hana = boost::hana;
+
+
+struct Person {
+    BOOST_HANA_DEFINE_STRUCT(Person,
+        (std::string, name),
+        (unsigned short, age)
+    );
+};
+
+int main() {
+    constexpr auto accessors = hana::accessors<Person>();
+    BOOST_HANA_CONSTANT_CHECK(
+        hana::first(accessors[hana::size_c<0>]) == BOOST_HANA_STRING("name")
+    );
+
+    BOOST_HANA_CONSTANT_CHECK(
+        hana::first(accessors[hana::size_c<1>]) == BOOST_HANA_STRING("age")
+    );
+
+    constexpr auto get_name = hana::second(accessors[hana::size_c<0>]);
+    constexpr auto get_age = hana::second(accessors[hana::size_c<1>]);
+
+    Person john{"John", 30};
+    BOOST_HANA_RUNTIME_CHECK(get_name(john) == "John");
+    BOOST_HANA_RUNTIME_CHECK(get_age(john) == 30);
+}