Skip to content

[libc++][iterator] Applied [[nodiscard]] #172200

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
H-G-Hristov wants to merge 1 commit into
base: main
Choose a base branch
from
+479 −129
Draft

[libc++][iterator] Applied [[nodiscard]] #172200

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
28 changes: 15 additions & 13 deletions libcxx/include/__iterator/access.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -20,47 +20,49 @@
_LIBCPP_BEGIN_NAMESPACE_STD

template <class _Tp, size_t _Np>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _Tp* begin(_Tp (&__array)[_Np]) _NOEXCEPT {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _Tp* begin(_Tp (&__array)[_Np]) _NOEXCEPT {
return __array;
}

template <class _Tp, size_t _Np>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _Tp* end(_Tp (&__array)[_Np]) _NOEXCEPT {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _Tp* end(_Tp (&__array)[_Np]) _NOEXCEPT {
return __array + _Np;
}

#if !defined(_LIBCPP_CXX03_LANG)

template <class _Cp>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto begin(_Cp& __c) -> decltype(__c.begin()) {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto begin(_Cp& __c) -> decltype(__c.begin()) {
return __c.begin();
}

template <class _Cp>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto begin(const _Cp& __c) -> decltype(__c.begin()) {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto begin(const _Cp& __c)
-> decltype(__c.begin()) {
return __c.begin();
}

template <class _Cp>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto end(_Cp& __c) -> decltype(__c.end()) {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto end(_Cp& __c) -> decltype(__c.end()) {
return __c.end();
}

template <class _Cp>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto end(const _Cp& __c) -> decltype(__c.end()) {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto end(const _Cp& __c) -> decltype(__c.end()) {
return __c.end();
}

# if _LIBCPP_STD_VER >= 14

template <class _Cp>
_LIBCPP_HIDE_FROM_ABI constexpr auto
cbegin(const _Cp& __c) noexcept(noexcept(std::begin(__c))) -> decltype(std::begin(__c)) {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr auto cbegin(const _Cp& __c) noexcept(noexcept(std::begin(__c)))
-> decltype(std::begin(__c)) {
return std::begin(__c);
}

template <class _Cp>
_LIBCPP_HIDE_FROM_ABI constexpr auto cend(const _Cp& __c) noexcept(noexcept(std::end(__c))) -> decltype(std::end(__c)) {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr auto cend(const _Cp& __c) noexcept(noexcept(std::end(__c)))
-> decltype(std::end(__c)) {
return std::end(__c);
}

Expand All @@ -69,22 +71,22 @@ _LIBCPP_HIDE_FROM_ABI constexpr auto cend(const _Cp& __c) noexcept(noexcept(std:
#else // defined(_LIBCPP_CXX03_LANG)

template <class _Cp>
_LIBCPP_HIDE_FROM_ABI typename _Cp::iterator begin(_Cp& __c) {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI typename _Cp::iterator begin(_Cp& __c) {
return __c.begin();
}

template <class _Cp>
_LIBCPP_HIDE_FROM_ABI typename _Cp::const_iterator begin(const _Cp& __c) {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI typename _Cp::const_iterator begin(const _Cp& __c) {
return __c.begin();
}

template <class _Cp>
_LIBCPP_HIDE_FROM_ABI typename _Cp::iterator end(_Cp& __c) {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI typename _Cp::iterator end(_Cp& __c) {
return __c.end();
}

template <class _Cp>
_LIBCPP_HIDE_FROM_ABI typename _Cp::const_iterator end(const _Cp& __c) {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI typename _Cp::const_iterator end(const _Cp& __c) {
return __c.end();
}

Expand Down
4 changes: 3 additions & 1 deletion libcxx/include/__iterator/back_insert_iterator.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,9 @@ class back_insert_iterator
return *this;
}
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 back_insert_iterator& operator*() { return *this; }
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 back_insert_iterator& operator*() {
return *this;
}
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 back_insert_iterator& operator++() { return *this; }
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 back_insert_iterator operator++(int) { return *this; }

Expand Down
5 changes: 3 additions & 2 deletions libcxx/include/__iterator/bounded_iter.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -265,7 +265,8 @@ struct __bounded_iter {
};

template <class _It>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR __bounded_iter<_It> __make_bounded_iter(_It __it, _It __begin, _It __end) {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR __bounded_iter<_It>
__make_bounded_iter(_It __it, _It __begin, _It __end) {
return __bounded_iter<_It>(std::move(__it), std::move(__begin), std::move(__end));
}

Expand All @@ -280,7 +281,7 @@ struct pointer_traits<__bounded_iter<_Iterator> > {
using element_type = typename pointer_traits<_Iterator>::element_type;
using difference_type = typename pointer_traits<_Iterator>::difference_type;

_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR static element_type* to_address(pointer __it) _NOEXCEPT {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR static element_type* to_address(pointer __it) _NOEXCEPT {
return std::__to_address(__it.__current_);
}
};
Expand Down
4 changes: 2 additions & 2 deletions libcxx/include/__iterator/common_iterator.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,7 @@ class common_iterator {
return *this;
}

_LIBCPP_HIDE_FROM_ABI constexpr decltype(auto) operator*() {
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr decltype(auto) operator*() {
_LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(
std::holds_alternative<_Iter>(__hold_), "Attempted to dereference a non-dereferenceable common_iterator");
return *std::__unchecked_get<_Iter>(__hold_);
Expand Down Expand Up @@ -237,7 +237,7 @@ class common_iterator {
return std::__unchecked_get<_Sent>(__x.__hold_) - std::__unchecked_get<_I2>(__y.__hold_);
}

_LIBCPP_HIDE_FROM_ABI friend constexpr decltype(auto)
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI friend constexpr decltype(auto)
iter_move(const common_iterator& __i) noexcept(noexcept(ranges::iter_move(std::declval<const _Iter&>())))
requires input_iterator<_Iter>
{
Expand Down
26 changes: 13 additions & 13 deletions libcxx/include/__iterator/counted_iterator.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -98,18 +98,18 @@ class counted_iterator
return *this;
}

_LIBCPP_HIDE_FROM_ABI constexpr const _Iter& base() const& noexcept { return __current_; }
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr const _Iter& base() const& noexcept { return __current_; }

_LIBCPP_HIDE_FROM_ABI constexpr _Iter base() && { return std::move(__current_); }
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr _Iter base() && { return std::move(__current_); }

_LIBCPP_HIDE_FROM_ABI constexpr iter_difference_t<_Iter> count() const noexcept { return __count_; }
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr iter_difference_t<_Iter> count() const noexcept { return __count_; }

_LIBCPP_HIDE_FROM_ABI constexpr decltype(auto) operator*() {
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr decltype(auto) operator*() {
_LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(__count_ > 0, "Iterator is equal to or past end.");
return *__current_;
}

_LIBCPP_HIDE_FROM_ABI constexpr decltype(auto) operator*() const
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr decltype(auto) operator*() const
requires __dereferenceable<const _Iter>
{
_LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(__count_ > 0, "Iterator is equal to or past end.");
Expand Down Expand Up @@ -169,13 +169,13 @@ class counted_iterator
return __tmp;
}

_LIBCPP_HIDE_FROM_ABI constexpr counted_iterator operator+(iter_difference_t<_Iter> __n) const
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr counted_iterator operator+(iter_difference_t<_Iter> __n) const
requires random_access_iterator<_Iter>
{
return counted_iterator(__current_ + __n, __count_ - __n);
}

_LIBCPP_HIDE_FROM_ABI friend constexpr counted_iterator
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI friend constexpr counted_iterator
operator+(iter_difference_t<_Iter> __n, const counted_iterator& __x)
requires random_access_iterator<_Iter>
{
Expand All @@ -191,24 +191,24 @@ class counted_iterator
return *this;
}

_LIBCPP_HIDE_FROM_ABI constexpr counted_iterator operator-(iter_difference_t<_Iter> __n) const
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr counted_iterator operator-(iter_difference_t<_Iter> __n) const
requires random_access_iterator<_Iter>
{
return counted_iterator(__current_ - __n, __count_ + __n);
}

template <common_with<_Iter> _I2>
_LIBCPP_HIDE_FROM_ABI friend constexpr iter_difference_t<_I2>
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI friend constexpr iter_difference_t<_I2>
operator-(const counted_iterator& __lhs, const counted_iterator<_I2>& __rhs) {
return __rhs.__count_ - __lhs.__count_;
}

_LIBCPP_HIDE_FROM_ABI friend constexpr iter_difference_t<_Iter>
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI friend constexpr iter_difference_t<_Iter>
operator-(const counted_iterator& __lhs, default_sentinel_t) {
return -__lhs.__count_;
}

_LIBCPP_HIDE_FROM_ABI friend constexpr iter_difference_t<_Iter>
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI friend constexpr iter_difference_t<_Iter>
operator-(default_sentinel_t, const counted_iterator& __rhs) {
return __rhs.__count_;
}
Expand All @@ -226,7 +226,7 @@ class counted_iterator
return *this;
}

_LIBCPP_HIDE_FROM_ABI constexpr decltype(auto) operator[](iter_difference_t<_Iter> __n) const
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr decltype(auto) operator[](iter_difference_t<_Iter> __n) const
requires random_access_iterator<_Iter>
{
_LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(__n < __count_, "Subscript argument must be less than size.");
Expand All @@ -249,7 +249,7 @@ class counted_iterator
return __rhs.__count_ <=> __lhs.__count_;
}

_LIBCPP_HIDE_FROM_ABI friend constexpr decltype(auto)
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI friend constexpr decltype(auto)
iter_move(const counted_iterator& __i) noexcept(noexcept(ranges::iter_move(__i.__current_)))
requires input_iterator<_Iter>
{
Expand Down
10 changes: 6 additions & 4 deletions libcxx/include/__iterator/data.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,22 +22,24 @@ _LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER >= 17

template <class _Cont>
constexpr _LIBCPP_HIDE_FROM_ABI auto data(_Cont& __c) noexcept(noexcept(__c.data())) -> decltype(__c.data()) {
[[nodiscard]] constexpr _LIBCPP_HIDE_FROM_ABI auto data(_Cont& __c) noexcept(noexcept(__c.data()))
-> decltype(__c.data()) {
return __c.data();
}

template <class _Cont>
constexpr _LIBCPP_HIDE_FROM_ABI auto data(const _Cont& __c) noexcept(noexcept(__c.data())) -> decltype(__c.data()) {
[[nodiscard]] constexpr _LIBCPP_HIDE_FROM_ABI auto data(const _Cont& __c) noexcept(noexcept(__c.data()))
-> decltype(__c.data()) {
return __c.data();
}

template <class _Tp, size_t _Sz>
_LIBCPP_HIDE_FROM_ABI constexpr _Tp* data(_Tp (&__array)[_Sz]) noexcept {
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr _Tp* data(_Tp (&__array)[_Sz]) noexcept {
return __array;
}

template <class _Ep>
_LIBCPP_HIDE_FROM_ABI constexpr const _Ep* data(initializer_list<_Ep> __il) noexcept {
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr const _Ep* data(initializer_list<_Ep> __il) noexcept {
return __il.begin();
}

Expand Down
9 changes: 5 additions & 4 deletions libcxx/include/__iterator/distance.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,8 @@ __distance(_InputIter __first, _Sent __last) {
}

template <class _InputIter>
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 typename iterator_traits<_InputIter>::difference_type
[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
typename iterator_traits<_InputIter>::difference_type
distance(_InputIter __first, _InputIter __last) {
return std::__distance(__first, __last);
}
Expand All @@ -80,12 +81,12 @@ namespace ranges {
struct __distance {
template <class _Ip, sentinel_for<_Ip> _Sp>
requires(!sized_sentinel_for<_Sp, _Ip>)
_LIBCPP_HIDE_FROM_ABI constexpr iter_difference_t<_Ip> operator()(_Ip __first, _Sp __last) const {
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr iter_difference_t<_Ip> operator()(_Ip __first, _Sp __last) const {
return std::__distance(std::move(__first), std::move(__last));
}

template <class _Ip, sized_sentinel_for<decay_t<_Ip>> _Sp>
_LIBCPP_HIDE_FROM_ABI constexpr iter_difference_t<_Ip> operator()(_Ip&& __first, _Sp __last) const {
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr iter_difference_t<_Ip> operator()(_Ip&& __first, _Sp __last) const {
if constexpr (sized_sentinel_for<_Sp, __remove_cvref_t<_Ip>>) {
return __last - __first;
} else {
Expand All @@ -94,7 +95,7 @@ struct __distance {
}

template <range _Rp>
_LIBCPP_HIDE_FROM_ABI constexpr range_difference_t<_Rp> operator()(_Rp&& __r) const {
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr range_difference_t<_Rp> operator()(_Rp&& __r) const {
if constexpr (sized_range<_Rp>) {
return static_cast<range_difference_t<_Rp>>(ranges::size(__r));
} else {
Expand Down
6 changes: 4 additions & 2 deletions libcxx/include/__iterator/front_insert_iterator.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -58,14 +58,16 @@ class front_insert_iterator
return *this;
}
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 front_insert_iterator& operator*() { return *this; }
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 front_insert_iterator& operator*() {
return *this;
}
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 front_insert_iterator& operator++() { return *this; }
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 front_insert_iterator operator++(int) { return *this; }
};
_LIBCPP_CTAD_SUPPORTED_FOR_TYPE(front_insert_iterator);

template <class _Container>
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 front_insert_iterator<_Container>
[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 front_insert_iterator<_Container>
front_inserter(_Container& __x) {
return front_insert_iterator<_Container>(__x);
}
Expand Down
4 changes: 2 additions & 2 deletions libcxx/include/__iterator/insert_iterator.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -71,13 +71,13 @@ class insert_iterator
return *this;
}
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 insert_iterator& operator*() { return *this; }
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 insert_iterator& operator*() { return *this; }
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 insert_iterator& operator++() { return *this; }
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 insert_iterator& operator++(int) { return *this; }
};

template <class _Container>
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 insert_iterator<_Container>
[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 insert_iterator<_Container>
inserter(_Container& __x, __insert_iterator_iter_t<_Container> __i) {
return insert_iterator<_Container>(__x, __i);
}
Expand Down
2 changes: 1 addition & 1 deletion libcxx/include/__iterator/istream_iterator.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,7 @@ class istream_iterator
// LWG3600 Changed the wording of the copy constructor. In libc++ this constructor
// can still be trivial after this change.

_LIBCPP_HIDE_FROM_ABI const _Tp& operator*() const { return __value_; }
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI const _Tp& operator*() const { return __value_; }
_LIBCPP_HIDE_FROM_ABI const _Tp* operator->() const { return std::addressof((operator*())); }
_LIBCPP_HIDE_FROM_ABI istream_iterator& operator++() {
if (!(*__in_stream_ >> __value_))
Expand Down
6 changes: 4 additions & 2 deletions libcxx/include/__iterator/istreambuf_iterator.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -73,14 +73,16 @@ class istreambuf_iterator
_LIBCPP_HIDE_FROM_ABI istreambuf_iterator(streambuf_type* __s) _NOEXCEPT : __sbuf_(__s) {}
_LIBCPP_HIDE_FROM_ABI istreambuf_iterator(const __proxy& __p) _NOEXCEPT : __sbuf_(__p.__sbuf_) {}

_LIBCPP_HIDE_FROM_ABI char_type operator*() const { return static_cast<char_type>(__sbuf_->sgetc()); }
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI char_type operator*() const {
return static_cast<char_type>(__sbuf_->sgetc());
}
_LIBCPP_HIDE_FROM_ABI istreambuf_iterator& operator++() {
__sbuf_->sbumpc();
return *this;
}
_LIBCPP_HIDE_FROM_ABI __proxy operator++(int) { return __proxy(__sbuf_->sbumpc(), __sbuf_); }

_LIBCPP_HIDE_FROM_ABI bool equal(const istreambuf_iterator& __b) const {
[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI bool equal(const istreambuf_iterator& __b) const {
return __test_for_eof() == __b.__test_for_eof();
}

Expand Down
4 changes: 2 additions & 2 deletions libcxx/include/__iterator/iterator_with_data.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -80,9 +80,9 @@ class __iterator_with_data {
return __tmp;
}

constexpr _LIBCPP_HIDE_FROM_ABI iter_reference_t<_Iterator> operator*() const { return *__iter_; }
[[nodiscard]] constexpr _LIBCPP_HIDE_FROM_ABI iter_reference_t<_Iterator> operator*() const { return *__iter_; }

_LIBCPP_HIDE_FROM_ABI friend constexpr iter_rvalue_reference_t<_Iterator>
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI friend constexpr iter_rvalue_reference_t<_Iterator>
iter_move(const __iterator_with_data& __iter) noexcept(noexcept(ranges::iter_move(__iter.__iter_))) {
return ranges::iter_move(__iter.__iter_);
}
Expand Down
Loading
Loading