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libstdc++: Don't constrain some enable_borrowed_range specializations

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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.
This commit is contained in:
Patrick Palka 2021-05-05 12:07:52 -04:00
parent 2663727d85
commit 2b71ca688b
2 changed files with 2 additions and 3 deletions
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3
libstdc++-v3/include/bits/ranges_util.h
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@ -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;

2
libstdc++-v3/include/std/ranges
View file

@ -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;