45 lines · c
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___FWD_BIT_REFERENCE_H10#define _LIBCPP___FWD_BIT_REFERENCE_H11 12#include <__config>13 14#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)15# pragma GCC system_header16#endif17 18_LIBCPP_BEGIN_NAMESPACE_STD19 20template <class _Cp, bool _IsConst, typename _Cp::__storage_type = 0>21class __bit_iterator;22 23template <class _Cp>24struct __bit_array;25 26template <class, class = void>27struct __size_difference_type_traits;28 29template <class _StoragePointer>30_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 void31__fill_masked_range(_StoragePointer __word, unsigned __clz, unsigned __ctz, bool __fill_val);32 33template <class _StorageType>34_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _StorageType __trailing_mask(unsigned __clz);35 36template <class _StorageType>37_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _StorageType __leading_mask(unsigned __ctz);38 39template <class _StorageType>40_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _StorageType __middle_mask(unsigned __clz, unsigned __ctz);41 42_LIBCPP_END_NAMESPACE_STD43 44#endif // _LIBCPP___FWD_BIT_REFERENCE_H45