Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 14 insertions, 0 deletions

diff --git a/src/boost/libs/hana/example/value.cpp b/src/boost/libs/hana/example/value.cpp
new file mode 100644
index 00000000..d78f2878
--- /dev/null
+++ b/src/boost/libs/hana/example/value.cpp
@@ -0,0 +1,14 @@
+// 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/integral_constant.hpp>
+#include <boost/hana/value.hpp>
+namespace hana = boost::hana;
+
+
+int main() {
+    auto i = hana::integral_c<int, 3>; // notice no constexpr
+    static_assert(hana::value<decltype(i)>() == 3, "");
+    static_assert(hana::value(i) == 3, "value(i) is always a constant expression!");
+}