Transform.h

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// Copyright 2015 Sensics, Inc.
// TypePack is part of OSVR-Core.
//
// Use, modification and distribution is subject to the
// Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

#ifndef INCLUDED_Transform_h_GUID_901ECEAD_C608_4DAE_CA89_CE3C6EF135B6
#define INCLUDED_Transform_h_GUID_901ECEAD_C608_4DAE_CA89_CE3C6EF135B6

// Internal Includes
#include "Apply.h"
#include "List.h"
#include "T.h"

// Library/third-party includes
// - none

// Standard includes
// - none

namespace osvr {
namespace typepack {

    namespace detail {

        template <typename List, typename Fun> struct transform_;
        template <typename... Ts, typename Fun>
        struct transform_<list<Ts...>, Fun> {
            template <typename T> struct apply_workaround {
                using type = typepack::apply<Fun, T>;
            };
            using type = list<typename apply_workaround<Ts>::type...>;
        };
    } // namespace detail

    template <typename List, typename Fun>
    using transform = t_<detail::transform_<List, Fun>>;
} // namespace typepack
} // namespace osvr
#endif // INCLUDED_Transform_h_GUID_901ECEAD_C608_4DAE_CA89_CE3C6EF135B6