Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 30 insertions, 0 deletions

diff --git a/src/boost/libs/hana/example/functional/demux.cpp b/src/boost/libs/hana/example/functional/demux.cpp
new file mode 100644
index 00000000..8dfd69eb
--- /dev/null
+++ b/src/boost/libs/hana/example/functional/demux.cpp
@@ -0,0 +1,30 @@
+// 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/equal.hpp>
+#include <boost/hana/functional/demux.hpp>
+#include <boost/hana/functional/placeholder.hpp>
+#include <boost/hana/tuple.hpp>
+namespace hana = boost::hana;
+using hana::_;
+
+
+constexpr auto f = hana::demux(hana::make_tuple)(
+    _ + _,
+    _ - _,
+    _ * _,
+    _ / _
+);
+
+static_assert(
+    f(10, 4) == hana::make_tuple(
+        10 + 4,
+        10 - 4,
+        10 * 4,
+        10 / 4
+    )
+, "");
+
+
+int main() { }