Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/src/boost/libs/hana/example/prefix.cpp b/src/boost/libs/hana/example/prefix.cpp
new file mode 100644
index 00000000..0db9eb5d
--- /dev/null
+++ b/src/boost/libs/hana/example/prefix.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/equal.hpp>
+#include <boost/hana/prefix.hpp>
+#include <boost/hana/tuple.hpp>
+
+#include <string>
+namespace hana = boost::hana;
+using namespace std::literals;
+
+
+int main() {
+    BOOST_HANA_RUNTIME_CHECK(
+        hana::prefix(hana::make_tuple("dog"s, "car"s, "house"s), "my"s)
+            ==
+        hana::make_tuple("my", "dog", "my", "car", "my", "house")
+    );
+}