You've already forked mariadb-columnstore-engine
mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-11-03 17:13:17 +03:00
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
/* 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
|