================ @@ -0,0 +1,118 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// 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___ALGORITHM_FOLD_H +#define _LIBCPP___ALGORITHM_FOLD_H + +#include <__concepts/assignable.h> +#include <__concepts/convertible_to.h> +#include <__concepts/invocable.h> +#include <__concepts/movable.h> +#include <__config> +#include <__functional/invoke.h> +#include <__functional/reference_wrapper.h> +#include <__iterator/concepts.h> +#include <__iterator/iterator_traits.h> +#include <__iterator/next.h> +#include <__ranges/access.h> +#include <__ranges/concepts.h> +#include <__ranges/dangling.h> +#include <__type_traits/decay.h> +#include <__type_traits/invoke.h> +#include <__utility/forward.h> +#include <__utility/move.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if _LIBCPP_STD_VER >= 23 + +namespace ranges { +template <class _Ip, class _Tp> +struct in_value_result { + _Ip in; + _Tp result; +}; + +template <class _Ip, class _Tp> +using fold_left_with_iter_result = in_value_result<_Ip, _Tp>; + +template <class _Fp, class _Tp, class _Ip, class _Rp, class _Up = decay_t<_Rp>> +concept __indirectly_binary_left_foldable_impl = + convertible_to<_Rp, _Up> && // ---------------- cjdb wrote:
Done. https://github.com/llvm/llvm-project/pull/75259 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
