ladybird/AK/BitCast.h
Andreas Kling ae3ffdd521 AK: Make it possible to not using AK classes into the global namespace
This patch adds the `USING_AK_GLOBALLY` macro which is enabled by
default, but can be overridden by build flags.

This is a step towards integrating Jakt and AK types.
2022-11-26 15:51:34 +01:00

31 lines
515 B
C++

/*
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Platform.h>
namespace AK {
template<typename T, typename U>
[[nodiscard]] constexpr inline T bit_cast(const U& a)
{
#if (__has_builtin(__builtin_bit_cast))
return __builtin_bit_cast(T, a);
#else
static_assert(sizeof(T) == sizeof(U));
T result;
__builtin_memcpy(&result, &a, sizeof(T));
return result;
#endif
}
}
#if USING_AK_GLOBALLY
using AK::bit_cast;
#endif