On Mon, 17 Apr 2023 at 04:46, Patrick Palka via Libstdc++
<libstd...@gcc.gnu.org> wrote:
>
> This patch also renames __cpp_lib_fold to __cpp_lib_ranges_fold
> as per the current draft standard.
OK, but this needs RM approval to push to gcc-13
>
> libstdc++-v3/ChangeLog:
>
> * include/bits/ranges_algo.h (__cpp_lib_ranges_contains):
> Define for C++23.
> (__cpp_lib_ranges_iota): Likewise.
> (__cpp_lib_ranges_find_last): Likewise.
> (__cpp_lib_fold): Rename to ...
> (__cpp_lib_ranges_fold): ... this.
> * include/std/version: As above.
> * testsuite/25_algorithms/fold_left/1.cc: Adjust after
> renaming __cpp_lib_fold.
> * testsuite/std/ranges/version_c++23.cc: Verify values
> of the above feature-test macros.
> ---
> libstdc++-v3/include/bits/ranges_algo.h | 9 ++++++++-
> libstdc++-v3/include/std/version | 5 ++++-
> .../testsuite/25_algorithms/fold_left/1.cc | 4 ++--
> .../testsuite/std/ranges/version_c++23.cc | 16 ++++++++++++++++
> 4 files changed, 30 insertions(+), 4 deletions(-)
>
> diff --git a/libstdc++-v3/include/bits/ranges_algo.h
> b/libstdc++-v3/include/bits/ranges_algo.h
> index f041ff16b0e..410d3ae1dd8 100644
> --- a/libstdc++-v3/include/bits/ranges_algo.h
> +++ b/libstdc++-v3/include/bits/ranges_algo.h
> @@ -3468,6 +3468,9 @@ namespace ranges
> inline constexpr __prev_permutation_fn prev_permutation{};
>
> #if __cplusplus > 202002L
> +
> +#define __cpp_lib_ranges_contains 202207L
> +
> struct __contains_fn
> {
> template<input_iterator _Iter, sentinel_for<_Iter> _Sent,
> @@ -3521,6 +3524,8 @@ namespace ranges
>
> inline constexpr __contains_subrange_fn contains_subrange{};
>
> +#define __cpp_lib_ranges_iota 202202L
> +
> template<typename _Out, typename _Tp>
> struct out_value_result
> {
> @@ -3569,6 +3574,8 @@ namespace ranges
>
> inline constexpr __iota_fn iota{};
>
> +#define __cpp_lib_ranges_find_last 202207L
> +
> struct __find_last_fn
> {
> template<forward_iterator _Iter, sentinel_for<_Iter> _Sent, typename
> _Tp, typename _Proj = identity>
> @@ -3695,7 +3702,7 @@ namespace ranges
>
> inline constexpr __find_last_if_not_fn find_last_if_not{};
>
> -#define __cpp_lib_fold 202207L
> +#define __cpp_lib_ranges_fold 202207L
>
> template<typename _Iter, typename _Tp>
> struct in_value_result
> diff --git a/libstdc++-v3/include/std/version
> b/libstdc++-v3/include/std/version
> index 9f31f25f1e9..027e5711ec5 100644
> --- a/libstdc++-v3/include/std/version
> +++ b/libstdc++-v3/include/std/version
> @@ -341,7 +341,10 @@
> #define __cpp_lib_ranges_as_rvalue 202207L
> #define __cpp_lib_ranges_as_const 202207L
> #define __cpp_lib_ranges_enumerate 202302L
> -#define __cpp_lib_fold 202207L
> +#define __cpp_lib_ranges_contains 202207L
> +#define __cpp_lib_ranges_iota 202202L
> +#define __cpp_lib_ranges_find_last 202207L
> +#define __cpp_lib_ranges_fold 202207L
> #if __cpp_constexpr_dynamic_alloc
> # if _GLIBCXX_HOSTED
> # define __cpp_lib_constexpr_bitset 202202L
> diff --git a/libstdc++-v3/testsuite/25_algorithms/fold_left/1.cc
> b/libstdc++-v3/testsuite/25_algorithms/fold_left/1.cc
> index 5cc91b67d27..4041d13315f 100644
> --- a/libstdc++-v3/testsuite/25_algorithms/fold_left/1.cc
> +++ b/libstdc++-v3/testsuite/25_algorithms/fold_left/1.cc
> @@ -5,8 +5,8 @@
> #include <ranges>
> #include <testsuite_iterators.h>
>
> -#if __cpp_lib_fold != 202207L
> -# error "Feature-test macro __cpp_lib_fold has wrong value in <algorithm>"
> +#if __cpp_lib_ranges_fold != 202207L
> +# error "Feature-test macro __cpp_lib_ranges_fold has wrong value in
> <algorithm>"
> #endif
>
> namespace ranges = std::ranges;
> diff --git a/libstdc++-v3/testsuite/std/ranges/version_c++23.cc
> b/libstdc++-v3/testsuite/std/ranges/version_c++23.cc
> index e2c14edc8ef..04609bb602c 100644
> --- a/libstdc++-v3/testsuite/std/ranges/version_c++23.cc
> +++ b/libstdc++-v3/testsuite/std/ranges/version_c++23.cc
> @@ -52,3 +52,19 @@
> #if __cpp_lib_ranges_enumerate != 202302L
> # error "Feature-test macro __cpp_lib_ranges_enumerate has wrong value in
> <version>"
> #endif
> +
> +#if __cpp_lib_ranges_contains != 202207L
> +# error "Feature-test macro __cpp_lib_ranges_contains has wrong value in
> <version>"
> +#endif
> +
> +#if __cpp_lib_ranges_iota != 202202L
> +# error "Feature-test macro __cpp_lib_ranges_iota has wrong value in
> <version>"
> +#endif
> +
> +#if __cpp_lib_ranges_find_last != 202207L
> +# error "Feature-test macro __cpp_lib_ranges_find_last has wrong value in
> <version>"
> +#endif
> +
> +#if __cpp_lib_ranges_fold != 202207L
> +# error "Feature-test macro __cpp_lib_ranges_fold has wrong value in
> <version>"
> +#endif
> --
> 2.40.0.335.g9857273be0
>
