libcruft-util/alloc/raw/traits.hpp

/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright 2018 Danny Robson <danny@nerdcruft.net>
 */

#ifndef CRUFT_UTIL_ALLOC_RAW_TRAITS_HPP
#define CRUFT_UTIL_ALLOC_RAW_TRAITS_HPP

#include <type_traits>


namespace cruft::alloc::raw {
    template <typename AllocT, typename = std::void_t<>>
    struct has_aligned_allocate : std::false_type {};

    template <typename AllocT>
    struct has_aligned_allocate<
        AllocT,
        std::void_t<
            decltype (
                std::declval<AllocT> ().allocate(16, 16)
            )
        >
    >: public std::true_type {};


    template <typename AllocT>
    constexpr auto has_aligned_allocate_v = has_aligned_allocate<AllocT>::value;
};

#endif