6a66467499
- Partially implements P2770R0 (http://wg21.link/p2770) - Fixes https://wg21.link/LWG3698, https://wg21.link/LWG3700, and https://wg21.link/LWG3791 - join_with_view hasn't been done yet since this type isn't implemented yet - Rename tuple test directory to match the standard (which changed in P2770R0) - Rename join_view test directory to match the standard
34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14, c++17
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// UNSUPPORTED: no-localization
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// Check LWG-3698: `regex_iterator` and `join_view` don't work together very well
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#include <algorithm>
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#include <array>
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#include <cassert>
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#include <ranges>
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#include <regex>
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#include <string_view>
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int main(int, char**) {
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char const text[] = "Hello";
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std::regex regex{"[a-z]"};
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auto lower =
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std::ranges::subrange(
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std::cregex_iterator(std::ranges::begin(text), std::ranges::end(text), regex), std::cregex_iterator{}) |
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std::views::join | std::views::transform([](auto const& sm) { return std::string_view(sm.first, sm.second); });
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assert(std::ranges::equal(lower, std::to_array<std::string_view>({"e", "l", "l", "o"})));
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return 0;
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}
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