diff options
Diffstat (limited to 'src/boost/libs/hana/test/type/make.cpp')
-rw-r--r-- | src/boost/libs/hana/test/type/make.cpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/type/make.cpp b/src/boost/libs/hana/test/type/make.cpp new file mode 100644 index 000000000..68a6a9839 --- /dev/null +++ b/src/boost/libs/hana/test/type/make.cpp @@ -0,0 +1,41 @@ +// 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/type.hpp> +namespace hana = boost::hana; + + +struct T { }; + +int main() { + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::make<hana::type_tag>(T{}), + hana::decltype_(T{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::make<hana::type_tag>(hana::type_c<T>), + hana::decltype_(hana::type_c<T>) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::make_type(T{}), + hana::make<hana::type_tag>(T{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::make_type(hana::type_c<T>), + hana::make<hana::type_tag>(hana::type_c<T>) + )); + + // make sure we don't read from non-constexpr variables + { + auto t = hana::type_c<T>; + auto x = 1; + constexpr auto r1 = hana::make<hana::type_tag>(t); (void)r1; + constexpr auto r2 = hana::make<hana::type_tag>(x); (void)r2; + } +} |