================ @@ -0,0 +1,93 @@ +//===----------------------------------------------------------------------===// +// +// 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 +// +//===----------------------------------------------------------------------===// + +// <algorithm> + +// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20 + +// template<input_iterator I, sentinel_for<I> S, class T, +// indirectly-binary-left-foldable<T, I> F> +// constexpr see below ranges::fold_left(I first, S last, T init, F f); +// +// template<input_range R, class T, indirectly-binary-left-foldable<T, iterator_t<R>> F> +// constexpr see below ranges::fold_left(R&& r, T init, F f); + +#include <algorithm> +#include <cassert> +#include <vector> +#include <functional> + +#include "test_range.h" +#include "../gaussian_sum.h" + +constexpr bool test() { + { + auto data = std::vector<int>{1, 2, 3, 4}; + auto const result = std::ranges::fold_left(data.begin(), data.begin(), 0, std::plus()); + + assert(result == 0); + + auto range = std::span(data.data(), 0); + assert(std::ranges::fold_left(range, 0, std::plus()) == result); + } ---------------- cjdb wrote:
I've completely separated them per more recent feedback below. 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
