1 files changed, 21 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/functional/compose.cpp b/src/boost/libs/hana/example/functional/compose.cpp
new file mode 100644
index 000000000..a1e026df3
--- /dev/null
+++ b/src/boost/libs/hana/example/functional/compose.cpp
@@ -0,0 +1,21 @@
+// 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/config.hpp>
+#include <boost/hana/functional/compose.hpp>
+namespace hana = boost::hana;
+
+
+int main() {
+    BOOST_HANA_CONSTEXPR_LAMBDA auto to_char = [](int x) {
+        return static_cast<char>(x + 48);
+    };
+
+    BOOST_HANA_CONSTEXPR_LAMBDA auto increment = [](auto x) {
+        return x + 1;
+    };
+
+    BOOST_HANA_CONSTEXPR_CHECK(hana::compose(to_char, increment)(3) == '4');
+}