diff options
Diffstat (limited to 'src/boost/libs/hana/test/pair/tag_of.cpp')
-rw-r--r-- | src/boost/libs/hana/test/pair/tag_of.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/pair/tag_of.cpp b/src/boost/libs/hana/test/pair/tag_of.cpp new file mode 100644 index 000000000..285b892e8 --- /dev/null +++ b/src/boost/libs/hana/test/pair/tag_of.cpp @@ -0,0 +1,36 @@ +// Copyright Louis Dionne 2013-2016 +// 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/core/tag_of.hpp> +#include <boost/hana/ext/std/integral_constant.hpp> +#include <boost/hana/integral_constant.hpp> +#include <boost/hana/pair.hpp> + +#include <type_traits> +namespace hana = boost::hana; + + +int main() { + { + struct T { }; struct U { }; + static_assert(std::is_same< + hana::tag_of<hana::pair<T, U>>::type, + hana::pair_tag + >{}, ""); + } + + // Bug #1 + { + using Pair = hana::pair<hana::integral_constant<int, 3>, int>; + using PairTag = hana::tag_of<Pair>::type; + using Tag = hana::tag_of<std::integral_constant<unsigned long, 0>>::type; + } + + // Bug #2 + { + using Pair = hana::pair<std::integral_constant<int, 3>, int>; + using PairTag = hana::tag_of<Pair>::type; + using Tag = hana::tag_of<std::integral_constant<unsigned long, 0>>::type; + } +} |