// 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) #ifndef BOOST_HANA_EXAMPLE_CPPCON_2014_MATRIX_FUNCTOR_HPP #define BOOST_HANA_EXAMPLE_CPPCON_2014_MATRIX_FUNCTOR_HPP #include "matrix.hpp" #include <boost/hana/functional/flip.hpp> #include <boost/hana/functional/partial.hpp> #include <boost/hana/concept/functor.hpp> #include <utility> namespace boost { namespace hana { template <unsigned Rows, unsigned Columns> struct transform_impl<cppcon::Matrix<Rows, Columns>> { template <typename M, typename F> static constexpr decltype(auto) apply(M&& m, F&& f) { return unpack( transform( cppcon::rows(std::forward<M>(m)), partial(flip(transform), std::forward<F>(f)) ), cppcon::matrix ); } }; }} #endif // !BOOST_HANA_EXAMPLE_CPPCON_2014_MATRIX_FUNCTOR_HPP