diff options
Diffstat (limited to 'src/boost/libs/hana/example/core/tag_of.cpp')
-rw-r--r-- | src/boost/libs/hana/example/core/tag_of.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/core/tag_of.cpp b/src/boost/libs/hana/example/core/tag_of.cpp new file mode 100644 index 000000000..2c9ddf7b4 --- /dev/null +++ b/src/boost/libs/hana/example/core/tag_of.cpp @@ -0,0 +1,20 @@ +// 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/core/tag_of.hpp> + +#include <type_traits> +namespace hana = boost::hana; + + +static_assert(std::is_same<hana::tag_of<int>::type, int>{}, ""); +static_assert(std::is_same<hana::tag_of<int&>::type, int>{}, ""); +static_assert(std::is_same<hana::tag_of<int const&>::type, int>{}, ""); + +struct PersonTag; +struct Person { using hana_tag = PersonTag; }; +static_assert(std::is_same<hana::tag_of<Person>::type, PersonTag>{}, ""); +static_assert(std::is_same<hana::tag_of<Person volatile&&>::type, PersonTag>{}, ""); + +int main() { } |