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From: Patrick Palka <ppalka@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc r12-522] libstdc++: Don't constrain some enable_borrowed_range specializations Date: Wed, 5 May 2021 16:08:38 +0000 (GMT) [thread overview] Message-ID: <20210505160838.B70F63857400@sourceware.org> (raw) https://gcc.gnu.org/g:2b71ca688b0ae14d3a35dab12f1f11a2a6292b7d commit r12-522-g2b71ca688b0ae14d3a35dab12f1f11a2a6292b7d Author: Patrick Palka <ppalka@redhat.com> Date: Wed May 5 12:07:52 2021 -0400 libstdc++: Don't constrain some enable_borrowed_range specializations These constraints are already present on the template we're partially specializing for. libstdc++-v3/ChangeLog: * include/bits/ranges_util.h (enable_borrowed_range<subrange>): Remove constraints on this partial specialization. * include/std/ranges (enable_borrowed_range<iota_view>): Likewise. Diff: --- libstdc++-v3/include/bits/ranges_util.h | 3 +-- libstdc++-v3/include/std/ranges | 2 +- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/libstdc++-v3/include/bits/ranges_util.h b/libstdc++-v3/include/bits/ranges_util.h index 589886eb157..b73fc121e0f 100644 --- a/libstdc++-v3/include/bits/ranges_util.h +++ b/libstdc++-v3/include/bits/ranges_util.h @@ -381,8 +381,7 @@ namespace ranges return __r.end(); } - template<input_or_output_iterator _It, sentinel_for<_It> _Sent, - subrange_kind _Kind> + template<typename _It, typename _Sent, subrange_kind _Kind> inline constexpr bool enable_borrowed_range<subrange<_It, _Sent, _Kind>> = true; diff --git a/libstdc++-v3/include/std/ranges b/libstdc++-v3/include/std/ranges index f21e08a36e3..2305bd200a5 100644 --- a/libstdc++-v3/include/std/ranges +++ b/libstdc++-v3/include/std/ranges @@ -586,7 +586,7 @@ namespace ranges == __detail::__is_signed_integer_like<_Bound>)) iota_view(_Winc, _Bound) -> iota_view<_Winc, _Bound>; - template<weakly_incrementable _Winc, semiregular _Bound> + template<typename _Winc, typename _Bound> inline constexpr bool enable_borrowed_range<iota_view<_Winc, _Bound>> = true;
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