1 files changed, 22 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/fill.cpp b/src/boost/libs/hana/example/fill.cpp
new file mode 100644
index 000000000..d18a82149
--- /dev/null
+++ b/src/boost/libs/hana/example/fill.cpp
@@ -0,0 +1,22 @@
+// 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/fill.hpp>
+#include <boost/hana/optional.hpp>
+#include <boost/hana/tuple.hpp>
+namespace hana = boost::hana;
+
+
+int main() {
+    static_assert(
+        hana::fill(hana::make_tuple(1, '2', 3.3, nullptr), 'x')
+            ==
+        hana::make_tuple('x', 'x', 'x', 'x')
+    , "");
+
+    BOOST_HANA_CONSTANT_CHECK(hana::fill(hana::nothing, 'x') == hana::nothing);
+    static_assert(hana::fill(hana::just('y'), 'x') == hana::just('x'), "");
+}