/* Copyright (C) 2020 MariaDB Corporation

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; version 2 of
   the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
   MA 02110-1301, USA. */

#pragma once

#include <type_traits>
#include <cstring>

namespace utils
{
template <class To, class From>
std::enable_if_t<
    sizeof(To) == sizeof(From) && std::is_trivially_copyable_v<From> && std::is_trivially_copyable_v<To>, To>
// constexpr support needs compiler magic
bitCast(const From& src) noexcept
{
  static_assert(std::is_trivially_constructible_v<To>,
                "This implementation additionally requires "
                "destination type to be trivially constructible");

  To dst;
  std::memcpy(&dst, &src, sizeof(To));
  return dst;
}
}  // namespace utils