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- // 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/equal.hpp>
- #include <boost/hana/front.hpp>
- #include <boost/hana/integral_constant.hpp>
- #include <boost/hana/type.hpp>
- #include <boost/mpl/size.hpp>
- #include <boost/mpl/vector.hpp>
- namespace hana = boost::hana;
- namespace mpl = boost::mpl;
- //! [front]
- #include <boost/hana/ext/boost/mpl/vector.hpp> // bridge header
- using Vector = mpl::vector<int, char, float>;
- static_assert(hana::front(Vector{}) == hana::type_c<int>, "");
- //! [front]
- namespace _ns0 {
- //! [size]
- using Size = mpl::size<Vector>::type;
- static_assert(hana::equal(Size{}, hana::int_c<3>), ""); // breaks!
- //! [size]
- }
- //! [size-fixed]
- #include <boost/hana/ext/boost/mpl/integral_c.hpp>
- using Size = mpl::size<Vector>::type;
- static_assert(hana::equal(Size{}, hana::int_c<3>), "");
- //! [size-fixed]
- int main() { }
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