/// \file
// Range v3 library
//
//  Copyright Eric Niebler 2013-present
//
//  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)
//
// Project home: https://github.com/ericniebler/range-v3
//

#ifndef RANGES_V3_UTILITY_GET_HPP
#define RANGES_V3_UTILITY_GET_HPP

#include <concepts/concepts.hpp>
#include <meta/meta.hpp>
#include <range/v3/detail/adl_get.hpp>

namespace ranges
{
    /// \addtogroup group-utility Utility
    /// @{
    ///

    /// \cond
    namespace _get_
    {
    /// \endcond
        template<std::size_t I, typename TupleLike>
        constexpr auto CPP_auto_fun(get)(TupleLike &&t)
        (
            return detail::adl_get<I>(static_cast<TupleLike &&>(t))
        )
        template<typename T, typename TupleLike>
        constexpr auto CPP_auto_fun(get)(TupleLike &&t)
        (
            return detail::adl_get<T>(static_cast<TupleLike &&>(t))
        )

        template<typename T>
        T & get(meta::id_t<T> &value) noexcept
        {
            return value;
        }
        template<typename T>
        T const & get(meta::id_t<T> const &value) noexcept
        {
            return value;
        }
        template<typename T>
        T &&get(meta::id_t<T> &&value) noexcept
        {
            return static_cast<T &&>(value);
        }
    /// \cond
    }
    using namespace _get_;
    /// \endcond

    /// @}
}

#endif
