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[libc++][ranges] Implement the changes to vector from P1206 (ranges::to):

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- add the `from_range_t` constructors and the related deduction guides;
- add the `insert_range`/`assign_range`/etc. member functions.
(Note: this patch is split from https://reviews.llvm.org/D142335)

Differential Revision: https://reviews.llvm.org/D149826
This commit is contained in:
varconst
2023-05-08 23:40:21 -07:00
committed by Konstantin Varlamov
parent c60461e3f8
commit 17bbb224f9
25 changed files with 2347 additions and 196 deletions
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25
libcxx/include/__split_buffer
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@@ -170,6 +170,14 @@ public:
__enable_if_t<__is_cpp17_forward_iterator<_ForwardIterator>::value>
__construct_at_end(_ForwardIterator __first, _ForwardIterator __last);
template <class _Iterator, class _Sentinel>
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI
void __construct_at_end_with_sentinel(_Iterator __first, _Sentinel __last);
template <class _Iterator>
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI
void __construct_at_end_with_size(_Iterator __first, size_type __n);
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __destruct_at_begin(pointer __new_begin) {
__destruct_at_begin(__new_begin, is_trivially_destructible<value_type>());
}
@@ -279,6 +287,13 @@ template <class _InputIter>
_LIBCPP_CONSTEXPR_SINCE_CXX20 __enable_if_t<__is_exactly_cpp17_input_iterator<_InputIter>::value>
__split_buffer<_Tp, _Allocator>::__construct_at_end(_InputIter __first, _InputIter __last)
{
__construct_at_end_with_sentinel(__first, __last);
}
template <class _Tp, class _Allocator>
template <class _Iterator, class _Sentinel>
_LIBCPP_CONSTEXPR_SINCE_CXX20
void __split_buffer<_Tp, _Allocator>::__construct_at_end_with_sentinel(_Iterator __first, _Sentinel __last) {
__alloc_rr& __a = this->__alloc();
for (; __first != __last; ++__first)
{
@@ -296,13 +311,19 @@ __split_buffer<_Tp, _Allocator>::__construct_at_end(_InputIter __first, _InputIt
++this->__end_;
}
}
template <class _Tp, class _Allocator>
template <class _ForwardIterator>
_LIBCPP_CONSTEXPR_SINCE_CXX20 __enable_if_t<__is_cpp17_forward_iterator<_ForwardIterator>::value>
__split_buffer<_Tp, _Allocator>::__construct_at_end(_ForwardIterator __first, _ForwardIterator __last)
{
_ConstructTransaction __tx(&this->__end_, _VSTD::distance(__first, __last));
__construct_at_end_with_size(__first, std::distance(__first, __last));
}
template <class _Tp, class _Allocator>
template <class _ForwardIterator>
_LIBCPP_CONSTEXPR_SINCE_CXX20
void __split_buffer<_Tp, _Allocator>::__construct_at_end_with_size(_ForwardIterator __first, size_type __n) {
_ConstructTransaction __tx(&this->__end_, __n);
for (; __tx.__pos_ != __tx.__end_; ++__tx.__pos_, (void) ++__first) {
__alloc_traits::construct(this->__alloc(),
_VSTD::__to_address(__tx.__pos_), *__first);