Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 26 insertions, 0 deletions

diff --git a/src/boost/libs/hana/example/sequence/functor.cpp b/src/boost/libs/hana/example/sequence/functor.cpp
new file mode 100644
index 00000000..0b26e647
--- /dev/null
+++ b/src/boost/libs/hana/example/sequence/functor.cpp
@@ -0,0 +1,26 @@
+// 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/transform.hpp>
+#include <boost/hana/tuple.hpp>
+
+#include <sstream>
+#include <string>
+namespace hana = boost::hana;
+
+
+auto to_string = [](auto x) {
+    std::ostringstream ss;
+    ss << x;
+    return ss.str();
+};
+
+int main() {
+    BOOST_HANA_RUNTIME_CHECK(
+        hana::transform(hana::make_tuple(1, '2', "345", std::string{"67"}), to_string) ==
+        hana::make_tuple("1", "2", "345", "67")
+    );
+}