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Diffstat (limited to 'src/boost/libs/hana/example/tuple/interop.cpp')
-rw-r--r-- | src/boost/libs/hana/example/tuple/interop.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/tuple/interop.cpp b/src/boost/libs/hana/example/tuple/interop.cpp new file mode 100644 index 000000000..cc274aee8 --- /dev/null +++ b/src/boost/libs/hana/example/tuple/interop.cpp @@ -0,0 +1,34 @@ +// 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/core/to.hpp> +#include <boost/hana/equal.hpp> +#include <boost/hana/ext/std/array.hpp> +#include <boost/hana/ext/std/tuple.hpp> +#include <boost/hana/integral_constant.hpp> +#include <boost/hana/range.hpp> +#include <boost/hana/tuple.hpp> + +#include <array> +#include <tuple> +namespace hana = boost::hana; + + +int main() { + static_assert( + hana::to_tuple(std::make_tuple(1, '2', 3.3)) == hana::make_tuple(1, '2', 3.3) + , ""); + + BOOST_HANA_CONSTANT_CHECK( + hana::to_tuple(hana::make_range(hana::int_c<1>, hana::int_c<4>)) + == + hana::make_tuple(hana::int_c<1>, hana::int_c<2>, hana::int_c<3>) + ); + + // std::array's operator[] is not constexpr, so we can't use static_assert + BOOST_HANA_CONSTEXPR_CHECK( + hana::to_tuple(std::array<int, 3>{{1, 2, 3}}) == hana::make_tuple(1, 2, 3) + ); +} |