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Release Cosmopolitan v3.6.0

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This release is an atomic upgrade to GCC 14.1.0 with C23 and C++23
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Justine Tunney 2024-07-23 03:16:17 -07:00
parent 62ace3623a
commit 5660ec4741
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1585 changed files with 117353 additions and 271644 deletions
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62
third_party/libcxx/__tuple/find_index.h vendored Normal file
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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___TUPLE_FIND_INDEX_H
#define _LIBCPP___TUPLE_FIND_INDEX_H
#include <__config>
#include <__type_traits/is_same.h>
#include <cstddef>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
#if _LIBCPP_STD_VER >= 14
_LIBCPP_BEGIN_NAMESPACE_STD
namespace __find_detail {
static constexpr size_t __not_found = static_cast<size_t>(-1);
static constexpr size_t __ambiguous = __not_found - 1;
inline _LIBCPP_HIDE_FROM_ABI constexpr size_t __find_idx_return(size_t __curr_i, size_t __res, bool __matches) {
return !__matches ? __res : (__res == __not_found ? __curr_i : __ambiguous);
}
template <size_t _Nx>
inline _LIBCPP_HIDE_FROM_ABI constexpr size_t __find_idx(size_t __i, const bool (&__matches)[_Nx]) {
return __i == _Nx
? __not_found
: __find_detail::__find_idx_return(__i, __find_detail::__find_idx(__i + 1, __matches), __matches[__i]);
}
template <class _T1, class... _Args>
struct __find_exactly_one_checked {
static constexpr bool __matches[sizeof...(_Args)] = {is_same<_T1, _Args>::value...};
static constexpr size_t value = __find_detail::__find_idx(0, __matches);
static_assert(value != __not_found, "type not found in type list");
static_assert(value != __ambiguous, "type occurs more than once in type list");
};
template <class _T1>
struct __find_exactly_one_checked<_T1> {
static_assert(!is_same<_T1, _T1>::value, "type not in empty type list");
};
} // namespace __find_detail
template <typename _T1, typename... _Args>
struct __find_exactly_one_t : public __find_detail::__find_exactly_one_checked<_T1, _Args...> {};
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER >= 14
#endif // _LIBCPP___TUPLE_FIND_INDEX_H