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GET /api/1.2/patches/2221485/?format=api
{ "id": 2221485, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2221485/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20260409135559.466278-1-tkaminsk@redhat.com/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/1.2/projects/17/?format=api", "name": "GNU Compiler Collection", "link_name": "gcc", "list_id": "gcc-patches.gcc.gnu.org", "list_email": "gcc-patches@gcc.gnu.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260409135559.466278-1-tkaminsk@redhat.com>", "list_archive_url": null, "date": "2026-04-09T13:54:22", "name": "libstdc++: Rename views::to_input to views::as_input.", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "2ddfc80c8c429b013dea05a55cd0c8089d70a7d3", "submitter": { "id": 90409, "url": "http://patchwork.ozlabs.org/api/1.2/people/90409/?format=api", "name": "Tomasz Kaminski", "email": "tkaminsk@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20260409135559.466278-1-tkaminsk@redhat.com/mbox/", "series": [ { "id": 499306, "url": "http://patchwork.ozlabs.org/api/1.2/series/499306/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=499306", "date": "2026-04-09T13:54:22", "name": "libstdc++: Rename views::to_input to views::as_input.", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499306/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2221485/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2221485/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=ha5iDFim;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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charset=\"US-ASCII\"; x-default=true", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "This patch implements P3828R1: Rename the to_input view to as_input.\n\nThe paper suggest renaming the feature test macro without changing the\nvalue and this patch follows.\n\nlibstdc++-v3/ChangeLog:\n\n\t* include/bits/version.def (ranges_to_input): Rename to...\n\t(ranges_as_input): Rename from ranges_as_input.\n\t* include/bits/version.h: Regenerate.\n\t* include/std/ranges (ranges::to_input_view, views::to_input)\n\t(__detail::__can_to_input, views::_ToInput): Rename to...\n\t(ranges::as_input_view, views::as_input, __detail::__can_as_input)\n\t(views::_AsInput): Rename from above...\n\t* src/c++23/std.cc.in: Rename views::to_input and to_input_view\n\texport.\n\t* testsuite/25_algorithms/contains/1.cc: Replace views::to_input\n\twith views::as_input.\n\t* testsuite/std/ranges/adaptors/to_input/1.cc: Move to...\n\t* testsuite/std/ranges/adaptors/as_input/1.cc: ...here, and replace\n\tviews::to_input with views::as_input.\n\ngcc/testsuite/ChangeLog:\n\n\t* g++.dg/reflect/range_args.C: Replace views::to_input with\n\tviews::as_input.\n---\nThe feature test macro situation is fine as is, as user can still\ndifferentiate which name they got.\n\nTested on x86_64-linux locally. Running full test now.\nOK for trunk when all test passes?\n\n gcc/testsuite/g++.dg/reflect/range_args.C | 6 ++--\n libstdc++-v3/include/bits/version.def | 2 +-\n libstdc++-v3/include/bits/version.h | 12 ++++----\n libstdc++-v3/include/std/ranges | 28 +++++++++----------\n libstdc++-v3/src/c++23/std.cc.in | 6 ++--\n .../testsuite/25_algorithms/contains/1.cc | 18 ++++++------\n .../adaptors/{to_input => as_input}/1.cc | 12 ++++----\n 7 files changed, 42 insertions(+), 42 deletions(-)\n rename libstdc++-v3/testsuite/std/ranges/adaptors/{to_input => as_input}/1.cc (78%)", "diff": "diff --git a/gcc/testsuite/g++.dg/reflect/range_args.C b/gcc/testsuite/g++.dg/reflect/range_args.C\nindex fa06cf0ebc7..df9b5e42359 100644\n--- a/gcc/testsuite/g++.dg/reflect/range_args.C\n+++ b/gcc/testsuite/g++.dg/reflect/range_args.C\n@@ -45,7 +45,7 @@ test_type_range(Rg&& rg)\n constexpr info vt[] = {^^int, ^^int, ^^float, ^^int, ^^float, ^^double};\n static_assert (test_type_range (vt | std::views::filter (is_integral_type))); // bidirectional\n static_assert (test_type_range (vt | std::views::take_while (is_integral_type))); // non-common\n-static_assert (test_type_range (vt | std::views::to_input)); // input\n+static_assert (test_type_range (vt | std::views::as_input)); // input\n static_assert (test_type_range (vt | std::views::cache_latest)); // input, move-only\n \n template<typename Rg>\n@@ -74,7 +74,7 @@ constexpr bool not_digit(char c) {\n \n static_assert (test_value_range (vv | std::views::filter (not_digit))); // bidirectional\n static_assert (test_value_range (vv | std::views::take_while (not_digit))); // non-common\n-static_assert (test_value_range (vv | std::views::to_input)); // input\n+static_assert (test_value_range (vv | std::views::as_input)); // input\n static_assert (test_value_range (vv | std::views::cache_latest)); // input, move-only\n \t\t\t\t\t\t\t\t \n template<int> struct Aggr;\n@@ -91,6 +91,6 @@ consteval bool of_int_type(info dm) {\n consteval {\n define_aggregate (^^Aggr<0>, dmt | std::views::filter (of_int_type)); // bidirectional\n define_aggregate (^^Aggr<1>, dmt | std::views::take_while (of_int_type)); // non-common\n- define_aggregate (^^Aggr<2>, dmt | std::views::to_input); // input\n+ define_aggregate (^^Aggr<2>, dmt | std::views::as_input); // input\n define_aggregate (^^Aggr<3>, dmt | std::views::cache_latest); // input, move-only\n }\ndiff --git a/libstdc++-v3/include/bits/version.def b/libstdc++-v3/include/bits/version.def\nindex cfb90533ce4..51e60afe381 100644\n--- a/libstdc++-v3/include/bits/version.def\n+++ b/libstdc++-v3/include/bits/version.def\n@@ -2196,7 +2196,7 @@ ftms = {\n };\n \n ftms = {\n- name = ranges_to_input;\n+ name = ranges_as_input;\n values = {\n v = 202502;\n cxxmin = 26;\ndiff --git a/libstdc++-v3/include/bits/version.h b/libstdc++-v3/include/bits/version.h\nindex 22dd31b9d32..10348524e4e 100644\n--- a/libstdc++-v3/include/bits/version.h\n+++ b/libstdc++-v3/include/bits/version.h\n@@ -2456,15 +2456,15 @@\n #endif /* !defined(__cpp_lib_ranges_filter) */\n #undef __glibcxx_want_ranges_filter\n \n-#if !defined(__cpp_lib_ranges_to_input)\n+#if !defined(__cpp_lib_ranges_as_input)\n # if (__cplusplus > 202302L)\n-# define __glibcxx_ranges_to_input 202502L\n-# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_to_input)\n-# define __cpp_lib_ranges_to_input 202502L\n+# define __glibcxx_ranges_as_input 202502L\n+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_as_input)\n+# define __cpp_lib_ranges_as_input 202502L\n # endif\n # endif\n-#endif /* !defined(__cpp_lib_ranges_to_input) */\n-#undef __glibcxx_want_ranges_to_input\n+#endif /* !defined(__cpp_lib_ranges_as_input) */\n+#undef __glibcxx_want_ranges_as_input\n \n #if !defined(__cpp_lib_to_string)\n # if (__cplusplus > 202302L) && _GLIBCXX_HOSTED && (__glibcxx_to_chars)\ndiff --git a/libstdc++-v3/include/std/ranges b/libstdc++-v3/include/std/ranges\nindex 0aa4191e04f..ca91e081ad4 100644\n--- a/libstdc++-v3/include/std/ranges\n+++ b/libstdc++-v3/include/std/ranges\n@@ -72,7 +72,7 @@\n #define __glibcxx_want_ranges_slide\n #define __glibcxx_want_ranges_stride\n #define __glibcxx_want_ranges_to_container\n-#define __glibcxx_want_ranges_to_input\n+#define __glibcxx_want_ranges_as_input\n #define __glibcxx_want_ranges_zip\n #include <bits/version.h>\n \n@@ -10537,12 +10537,12 @@ namespace ranges\n } // namespace ranges\n #endif // __cpp_lib_ranges_cache_latest\n \n-#if __cpp_lib_ranges_to_input // C++ >= 26\n+#if __cpp_lib_ranges_as_input // C++ >= 26\n namespace ranges\n {\n template<input_range _Vp>\n requires view<_Vp>\n- class to_input_view : public view_interface<to_input_view<_Vp>>\n+ class as_input_view : public view_interface<as_input_view<_Vp>>\n {\n _Vp _M_base = _Vp();\n \n@@ -10550,10 +10550,10 @@ namespace ranges\n class _Iterator;\n \n public:\n- to_input_view() requires default_initializable<_Vp> = default;\n+ as_input_view() requires default_initializable<_Vp> = default;\n \n constexpr explicit\n- to_input_view(_Vp __base)\n+ as_input_view(_Vp __base)\n : _M_base(std::move(__base))\n { }\n \n@@ -10591,12 +10591,12 @@ namespace ranges\n };\n \n template<typename _Range>\n- to_input_view(_Range&&) -> to_input_view<views::all_t<_Range>>;\n+ as_input_view(_Range&&) -> as_input_view<views::all_t<_Range>>;\n \n template<input_range _Vp>\n requires view<_Vp>\n template<bool _Const>\n- class to_input_view<_Vp>::_Iterator\n+ class as_input_view<_Vp>::_Iterator\n {\n using _Base = __maybe_const_t<_Const, _Vp>;\n \n@@ -10607,7 +10607,7 @@ namespace ranges\n : _M_current(std::move(__current))\n { }\n \n- friend to_input_view;\n+ friend as_input_view;\n friend _Iterator<!_Const>;\n \n public:\n@@ -10680,13 +10680,13 @@ namespace ranges\n namespace __detail\n {\n template<typename _Tp>\n-\tconcept __can_to_input = requires { to_input_view(std::declval<_Tp>()); };\n+\tconcept __can_as_input = requires { as_input_view(std::declval<_Tp>()); };\n }\n \n- struct _ToInput : __adaptor::_RangeAdaptorClosure<_ToInput>\n+ struct _AsInput : __adaptor::_RangeAdaptorClosure<_AsInput>\n {\n template<viewable_range _Range>\n-\trequires __detail::__can_to_input<_Range>\n+\trequires __detail::__can_as_input<_Range>\n \tconstexpr auto\n \toperator() [[nodiscard]] (_Range&& __r) const\n \t{\n@@ -10695,16 +10695,16 @@ namespace ranges\n \t\t\t&& !forward_range<_Range>)\n \t return views::all(std::forward<_Range>(__r));\n \t else\n-\t return to_input_view(std::forward<_Range>(__r));\n+\t return as_input_view(std::forward<_Range>(__r));\n \t}\n \n static constexpr bool _S_has_simple_call_op = true;\n };\n \n- inline constexpr _ToInput to_input;\n+ inline constexpr _AsInput as_input;\n }\n } // namespace ranges\n-#endif // __cpp_lib_ranges_to_input\n+#endif // __cpp_lib_ranges_as_input\n \n _GLIBCXX_END_NAMESPACE_VERSION\n } // namespace std\ndiff --git a/libstdc++-v3/src/c++23/std.cc.in b/libstdc++-v3/src/c++23/std.cc.in\nindex 3ac19871692..ad249cb3348 100644\n--- a/libstdc++-v3/src/c++23/std.cc.in\n+++ b/libstdc++-v3/src/c++23/std.cc.in\n@@ -2800,9 +2800,9 @@ export namespace std\n using ranges::cache_latest_view;\n namespace views { using views::cache_latest; }\n #endif\n-#if __glibcxx_ranges_to_input // C++ >= 26\n- using ranges::to_input_view;\n- namespace views { using views::to_input; }\n+#if __glibcxx_ranges_as_input // C++ >= 26\n+ using ranges::as_input_view;\n+ namespace views { using views::as_input; }\n #endif\n #ifdef __cpp_lib_ranges_indices // C++ >= 26\n namespace views { using views::indices; }\ndiff --git a/libstdc++-v3/testsuite/25_algorithms/contains/1.cc b/libstdc++-v3/testsuite/25_algorithms/contains/1.cc\nindex b44c06032e8..aaf81f85a0a 100644\n--- a/libstdc++-v3/testsuite/25_algorithms/contains/1.cc\n+++ b/libstdc++-v3/testsuite/25_algorithms/contains/1.cc\n@@ -14,17 +14,17 @@ void\n test01()\n {\n int x[] = {1,2,3};\n- using to_input = __gnu_test::test_input_range<int>;\n- VERIFY( ranges::contains(to_input(x), 1) );\n- VERIFY( ranges::contains(to_input(x), 2) );\n- VERIFY( ranges::contains(to_input(x), 3) );\n- VERIFY( !ranges::contains(to_input(x), 4) );\n+ using as_input = __gnu_test::test_input_range<int>;\n+ VERIFY( ranges::contains(as_input(x), 1) );\n+ VERIFY( ranges::contains(as_input(x), 2) );\n+ VERIFY( ranges::contains(as_input(x), 3) );\n+ VERIFY( !ranges::contains(as_input(x), 4) );\n VERIFY( !ranges::contains(x, x+2, 3) );\n auto neg = [](int n) { return -n; };\n- VERIFY( ranges::contains(to_input(x), -1, neg) );\n- VERIFY( ranges::contains(to_input(x), -2, neg) );\n- VERIFY( ranges::contains(to_input(x), -3, neg) );\n- VERIFY( !ranges::contains(to_input(x), -4, neg) );\n+ VERIFY( ranges::contains(as_input(x), -1, neg) );\n+ VERIFY( ranges::contains(as_input(x), -2, neg) );\n+ VERIFY( ranges::contains(as_input(x), -3, neg) );\n+ VERIFY( !ranges::contains(as_input(x), -4, neg) );\n \n VERIFY( !ranges::contains(x, x+2, -3, neg) );\n }\ndiff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/to_input/1.cc b/libstdc++-v3/testsuite/std/ranges/adaptors/as_input/1.cc\nsimilarity index 78%\nrename from libstdc++-v3/testsuite/std/ranges/adaptors/to_input/1.cc\nrename to libstdc++-v3/testsuite/std/ranges/adaptors/as_input/1.cc\nindex cde368a2f64..8bd1a82a7b7 100644\n--- a/libstdc++-v3/testsuite/std/ranges/adaptors/to_input/1.cc\n+++ b/libstdc++-v3/testsuite/std/ranges/adaptors/as_input/1.cc\n@@ -2,8 +2,8 @@\n \n #include <ranges>\n \n-#if __cpp_lib_ranges_to_input != 202502L\n-# error \"Feature-test macro __cpp_lib_ranges_to_input has wrong value in <ranges>\"\n+#if __cpp_lib_ranges_as_input != 202502L\n+# error \"Feature-test macro __cpp_lib_ranges_as_input has wrong value in <ranges>\"\n #endif\n \n #include <algorithm>\n@@ -18,7 +18,7 @@ void\n test01()\n {\n std::vector<int> r{1,2,3};\n- auto v = r | views::to_input;\n+ auto v = r | views::as_input;\n using type = decltype(v);\n static_assert( ranges::input_range<type> && !ranges::forward_range<type> );\n \n@@ -45,10 +45,10 @@ test02()\n int x[] = {1,2,3};\n __gnu_test::test_input_range<int> rx(x);\n static_assert( !ranges::common_range<decltype(rx)> );\n- auto v = rx | views::to_input;\n+ auto v = rx | views::as_input;\n static_assert( std::same_as<decltype(v), decltype(views::all(rx))> );\n- static_assert( std::same_as<decltype(x | views::to_input),\n-\t\t\t decltype(x | views::to_input | views::to_input)> );\n+ static_assert( std::same_as<decltype(x | views::as_input),\n+\t\t\t decltype(x | views::as_input | views::as_input)> );\n }\n \n int\n", "prefixes": [] }