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scylladb/utils/bit_cast.hh
2023-12-12 21:09:51 +08:00

28 lines
567 B
C++

/*
* Copyright (C) 2021-present ScyllaDB
*/
/*
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#pragma once
#include <cstring>
#include <type_traits>
template <class T> concept Trivial = std::is_trivial_v<T>;
template <class T> concept TriviallyCopyable = std::is_trivially_copyable_v<T>;
template <TriviallyCopyable To>
To read_unaligned(const void* src) {
To dst;
std::memcpy(&dst, src, sizeof(To));
return dst;
}
template <TriviallyCopyable From>
void write_unaligned(void* dst, const From& src) {
std::memcpy(dst, &src, sizeof(From));
}