de4a57cb21
This commit re-adds transitive includes that had been removed by
4cd04d1687f1, c36870c8e79c, a83f4b9cda57, 1458458b558d, 2e2f3158c604,
and 489637e66dd3. This should cover almost all the includes that had
been removed since LLVM 14 and that would contribute to breaking user
code when releasing LLVM 15.
It is possible to disable the inclusion of these headers by defining
_LIBCPP_REMOVE_TRANSITIVE_INCLUDES. The intent is that vendors will
enable that macro and start fixing downstream issues immediately. We
can then remove the macro (and the transitive includes) by default in
a future release. That way, we will break users only once by removing
transitive includes in bulk instead of doing it bit by bit a every
release, which is more disruptive for users.
Note 1: The set of headers to re-add was found by re-generating the
transitive include test on a checkout of release/14.x, which
provided the list of all transitive includes we used to provide.
Note 2: Several includes of <vector>, <optional>, <array> and <unordered_map>
have been added in this commit. These transitive inclusions were
added when we implemented boyer_moore_searcher in <functional>.
Note 3: This is a best effort patch to try and resolve downstream breakage
caused since branching LLVM 14. I wasn't able to perfectly mirror
transitive includes in LLVM 14 for a few headers, so I added a
release note explaining it. To summarize, adding boyer_moore_searcher
created a bunch of circular dependencies, so we have to break
backwards compatibility in a few cases.
Differential Revision: https://reviews.llvm.org/D128661
544 lines
21 KiB
C++
544 lines
21 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_ARRAY
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#define _LIBCPP_ARRAY
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/*
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array synopsis
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namespace std
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{
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template <class T, size_t N >
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struct array
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{
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// types:
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typedef T & reference;
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typedef const T & const_reference;
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typedef implementation defined iterator;
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typedef implementation defined const_iterator;
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typedef size_t size_type;
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typedef ptrdiff_t difference_type;
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typedef T value_type;
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typedef T* pointer;
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typedef const T* const_pointer;
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typedef std::reverse_iterator<iterator> reverse_iterator;
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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// No explicit construct/copy/destroy for aggregate type
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void fill(const T& u); // constexpr in C++20
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void swap(array& a) noexcept(is_nothrow_swappable_v<T>); // constexpr in C++20
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// iterators:
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iterator begin() noexcept; // constexpr in C++17
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const_iterator begin() const noexcept; // constexpr in C++17
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iterator end() noexcept; // constexpr in C++17
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const_iterator end() const noexcept; // constexpr in C++17
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reverse_iterator rbegin() noexcept; // constexpr in C++17
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const_reverse_iterator rbegin() const noexcept; // constexpr in C++17
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reverse_iterator rend() noexcept; // constexpr in C++17
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const_reverse_iterator rend() const noexcept; // constexpr in C++17
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const_iterator cbegin() const noexcept; // constexpr in C++17
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const_iterator cend() const noexcept; // constexpr in C++17
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const_reverse_iterator crbegin() const noexcept; // constexpr in C++17
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const_reverse_iterator crend() const noexcept; // constexpr in C++17
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// capacity:
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constexpr size_type size() const noexcept;
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constexpr size_type max_size() const noexcept;
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constexpr bool empty() const noexcept;
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// element access:
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reference operator[](size_type n); // constexpr in C++17
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const_reference operator[](size_type n) const; // constexpr in C++14
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reference at(size_type n); // constexpr in C++17
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const_reference at(size_type n) const; // constexpr in C++14
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reference front(); // constexpr in C++17
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const_reference front() const; // constexpr in C++14
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reference back(); // constexpr in C++17
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const_reference back() const; // constexpr in C++14
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T* data() noexcept; // constexpr in C++17
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const T* data() const noexcept; // constexpr in C++17
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};
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template <class T, class... U>
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array(T, U...) -> array<T, 1 + sizeof...(U)>; // C++17
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template <class T, size_t N>
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bool operator==(const array<T,N>& x, const array<T,N>& y); // constexpr in C++20
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template <class T, size_t N>
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bool operator!=(const array<T,N>& x, const array<T,N>& y); // constexpr in C++20
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template <class T, size_t N>
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bool operator<(const array<T,N>& x, const array<T,N>& y); // constexpr in C++20
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template <class T, size_t N>
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bool operator>(const array<T,N>& x, const array<T,N>& y); // constexpr in C++20
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template <class T, size_t N>
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bool operator<=(const array<T,N>& x, const array<T,N>& y); // constexpr in C++20
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template <class T, size_t N>
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bool operator>=(const array<T,N>& x, const array<T,N>& y); // constexpr in C++20
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template <class T, size_t N >
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void swap(array<T,N>& x, array<T,N>& y) noexcept(noexcept(x.swap(y))); // constexpr in C++20
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template <class T, size_t N>
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constexpr array<remove_cv_t<T>, N> to_array(T (&a)[N]); // C++20
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template <class T, size_t N>
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constexpr array<remove_cv_t<T>, N> to_array(T (&&a)[N]); // C++20
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template <class T> struct tuple_size;
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template <size_t I, class T> struct tuple_element;
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template <class T, size_t N> struct tuple_size<array<T, N>>;
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template <size_t I, class T, size_t N> struct tuple_element<I, array<T, N>>;
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template <size_t I, class T, size_t N> T& get(array<T, N>&) noexcept; // constexpr in C++14
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template <size_t I, class T, size_t N> const T& get(const array<T, N>&) noexcept; // constexpr in C++14
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template <size_t I, class T, size_t N> T&& get(array<T, N>&&) noexcept; // constexpr in C++14
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template <size_t I, class T, size_t N> const T&& get(const array<T, N>&&) noexcept; // constexpr in C++14
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} // std
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*/
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#include <__algorithm/equal.h>
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#include <__algorithm/fill_n.h>
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#include <__algorithm/lexicographical_compare.h>
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#include <__algorithm/swap_ranges.h>
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#include <__assert> // all public C++ headers provide the assertion handler
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#include <__config>
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#include <__iterator/reverse_iterator.h>
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#include <__tuple>
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#include <__utility/integer_sequence.h>
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#include <__utility/move.h>
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#include <__utility/unreachable.h>
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#include <stdexcept>
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#include <type_traits>
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#include <version>
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#ifndef _LIBCPP_REMOVE_TRANSITIVE_INCLUDES
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# include <algorithm>
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# include <iterator>
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# include <utility>
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#endif
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// standard-mandated includes
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// [iterator.range]
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#include <__iterator/access.h>
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#include <__iterator/data.h>
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#include <__iterator/empty.h>
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#include <__iterator/reverse_access.h>
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#include <__iterator/size.h>
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// [array.syn]
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#include <compare>
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#include <initializer_list>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <class _Tp, size_t _Size>
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struct _LIBCPP_TEMPLATE_VIS array
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{
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// types:
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typedef array __self;
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typedef _Tp value_type;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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typedef value_type* iterator;
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typedef const value_type* const_iterator;
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typedef value_type* pointer;
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typedef const value_type* const_pointer;
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typedef size_t size_type;
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typedef ptrdiff_t difference_type;
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typedef _VSTD::reverse_iterator<iterator> reverse_iterator;
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typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator;
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_Tp __elems_[_Size];
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// No explicit construct/copy/destroy for aggregate type
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
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void fill(const value_type& __u) {
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_VSTD::fill_n(data(), _Size, __u);
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}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
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void swap(array& __a) _NOEXCEPT_(__is_nothrow_swappable<_Tp>::value) {
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_VSTD::swap_ranges(data(), data() + _Size, __a.data());
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}
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// iterators:
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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iterator begin() _NOEXCEPT {return iterator(data());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_iterator begin() const _NOEXCEPT {return const_iterator(data());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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iterator end() _NOEXCEPT {return iterator(data() + _Size);}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_iterator end() const _NOEXCEPT {return const_iterator(data() + _Size);}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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reverse_iterator rbegin() _NOEXCEPT {return reverse_iterator(end());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_reverse_iterator rbegin() const _NOEXCEPT {return const_reverse_iterator(end());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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reverse_iterator rend() _NOEXCEPT {return reverse_iterator(begin());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_reverse_iterator rend() const _NOEXCEPT {return const_reverse_iterator(begin());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_iterator cbegin() const _NOEXCEPT {return begin();}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_iterator cend() const _NOEXCEPT {return end();}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_reverse_iterator crbegin() const _NOEXCEPT {return rbegin();}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_reverse_iterator crend() const _NOEXCEPT {return rend();}
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// capacity:
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_LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR size_type size() const _NOEXCEPT {return _Size;}
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_LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR size_type max_size() const _NOEXCEPT {return _Size;}
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_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR bool empty() const _NOEXCEPT {return _Size == 0;}
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// element access:
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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reference operator[](size_type __n) _NOEXCEPT {
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_LIBCPP_ASSERT(__n < _Size, "out-of-bounds access in std::array<T, N>");
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return __elems_[__n];
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}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
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const_reference operator[](size_type __n) const _NOEXCEPT {
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_LIBCPP_ASSERT(__n < _Size, "out-of-bounds access in std::array<T, N>");
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return __elems_[__n];
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}
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_LIBCPP_CONSTEXPR_AFTER_CXX14 reference at(size_type __n)
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{
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if (__n >= _Size)
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__throw_out_of_range("array::at");
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return __elems_[__n];
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}
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_LIBCPP_CONSTEXPR_AFTER_CXX11 const_reference at(size_type __n) const
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{
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if (__n >= _Size)
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__throw_out_of_range("array::at");
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return __elems_[__n];
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}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 reference front() _NOEXCEPT {return (*this)[0];}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 const_reference front() const _NOEXCEPT {return (*this)[0];}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 reference back() _NOEXCEPT {return (*this)[_Size - 1];}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 const_reference back() const _NOEXCEPT {return (*this)[_Size - 1];}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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value_type* data() _NOEXCEPT {return __elems_;}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const value_type* data() const _NOEXCEPT {return __elems_;}
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};
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template <class _Tp>
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struct _LIBCPP_TEMPLATE_VIS array<_Tp, 0>
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{
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// types:
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typedef array __self;
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typedef _Tp value_type;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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typedef value_type* iterator;
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typedef const value_type* const_iterator;
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typedef value_type* pointer;
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typedef const value_type* const_pointer;
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typedef size_t size_type;
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typedef ptrdiff_t difference_type;
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typedef _VSTD::reverse_iterator<iterator> reverse_iterator;
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typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator;
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typedef typename conditional<is_const<_Tp>::value, const char,
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char>::type _CharType;
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struct _ArrayInStructT { _Tp __data_[1]; };
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_ALIGNAS_TYPE(_ArrayInStructT) _CharType __elems_[sizeof(_ArrayInStructT)];
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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value_type* data() _NOEXCEPT {return nullptr;}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const value_type* data() const _NOEXCEPT {return nullptr;}
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// No explicit construct/copy/destroy for aggregate type
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
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void fill(const value_type&) {
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static_assert(!is_const<_Tp>::value,
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"cannot fill zero-sized array of type 'const T'");
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}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
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void swap(array&) _NOEXCEPT {
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static_assert(!is_const<_Tp>::value,
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"cannot swap zero-sized array of type 'const T'");
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}
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// iterators:
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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iterator begin() _NOEXCEPT {return iterator(data());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_iterator begin() const _NOEXCEPT {return const_iterator(data());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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iterator end() _NOEXCEPT {return iterator(data());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_iterator end() const _NOEXCEPT {return const_iterator(data());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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reverse_iterator rbegin() _NOEXCEPT {return reverse_iterator(end());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_reverse_iterator rbegin() const _NOEXCEPT {return const_reverse_iterator(end());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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reverse_iterator rend() _NOEXCEPT {return reverse_iterator(begin());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_reverse_iterator rend() const _NOEXCEPT {return const_reverse_iterator(begin());}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_iterator cbegin() const _NOEXCEPT {return begin();}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_iterator cend() const _NOEXCEPT {return end();}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_reverse_iterator crbegin() const _NOEXCEPT {return rbegin();}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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const_reverse_iterator crend() const _NOEXCEPT {return rend();}
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// capacity:
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_LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR size_type size() const _NOEXCEPT {return 0; }
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_LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR size_type max_size() const _NOEXCEPT {return 0;}
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_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR bool empty() const _NOEXCEPT {return true;}
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// element access:
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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reference operator[](size_type) _NOEXCEPT {
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_LIBCPP_ASSERT(false, "cannot call array<T, 0>::operator[] on a zero-sized array");
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__libcpp_unreachable();
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}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
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const_reference operator[](size_type) const _NOEXCEPT {
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_LIBCPP_ASSERT(false, "cannot call array<T, 0>::operator[] on a zero-sized array");
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__libcpp_unreachable();
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}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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reference at(size_type) {
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__throw_out_of_range("array<T, 0>::at");
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__libcpp_unreachable();
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}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
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const_reference at(size_type) const {
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__throw_out_of_range("array<T, 0>::at");
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__libcpp_unreachable();
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}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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reference front() _NOEXCEPT {
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_LIBCPP_ASSERT(false, "cannot call array<T, 0>::front() on a zero-sized array");
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__libcpp_unreachable();
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}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
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const_reference front() const _NOEXCEPT {
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_LIBCPP_ASSERT(false, "cannot call array<T, 0>::front() on a zero-sized array");
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__libcpp_unreachable();
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}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
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reference back() _NOEXCEPT {
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_LIBCPP_ASSERT(false, "cannot call array<T, 0>::back() on a zero-sized array");
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__libcpp_unreachable();
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}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
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const_reference back() const _NOEXCEPT {
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_LIBCPP_ASSERT(false, "cannot call array<T, 0>::back() on a zero-sized array");
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__libcpp_unreachable();
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}
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};
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#if _LIBCPP_STD_VER > 14
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template<class _Tp, class... _Args,
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class = enable_if_t<__all<_IsSame<_Tp, _Args>::value...>::value>
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>
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array(_Tp, _Args...)
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-> array<_Tp, 1 + sizeof...(_Args)>;
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#endif
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template <class _Tp, size_t _Size>
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inline _LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR_AFTER_CXX17 bool
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operator==(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
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{
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return _VSTD::equal(__x.begin(), __x.end(), __y.begin());
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}
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template <class _Tp, size_t _Size>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX17 bool
|
|
operator!=(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template <class _Tp, size_t _Size>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX17 bool
|
|
operator<(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
|
|
{
|
|
return _VSTD::lexicographical_compare(__x.begin(), __x.end(),
|
|
__y.begin(), __y.end());
|
|
}
|
|
|
|
template <class _Tp, size_t _Size>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX17 bool
|
|
operator>(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
|
|
{
|
|
return __y < __x;
|
|
}
|
|
|
|
template <class _Tp, size_t _Size>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX17 bool
|
|
operator<=(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
|
|
{
|
|
return !(__y < __x);
|
|
}
|
|
|
|
template <class _Tp, size_t _Size>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX17 bool
|
|
operator>=(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
|
|
{
|
|
return !(__x < __y);
|
|
}
|
|
|
|
template <class _Tp, size_t _Size>
|
|
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
|
typename enable_if
|
|
<
|
|
_Size == 0 ||
|
|
__is_swappable<_Tp>::value,
|
|
void
|
|
>::type
|
|
swap(array<_Tp, _Size>& __x, array<_Tp, _Size>& __y)
|
|
_NOEXCEPT_(noexcept(__x.swap(__y)))
|
|
{
|
|
__x.swap(__y);
|
|
}
|
|
|
|
template <class _Tp, size_t _Size>
|
|
struct _LIBCPP_TEMPLATE_VIS tuple_size<array<_Tp, _Size> >
|
|
: public integral_constant<size_t, _Size> {};
|
|
|
|
template <size_t _Ip, class _Tp, size_t _Size>
|
|
struct _LIBCPP_TEMPLATE_VIS tuple_element<_Ip, array<_Tp, _Size> >
|
|
{
|
|
static_assert(_Ip < _Size, "Index out of bounds in std::tuple_element<> (std::array)");
|
|
typedef _Tp type;
|
|
};
|
|
|
|
template <size_t _Ip, class _Tp, size_t _Size>
|
|
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
_Tp&
|
|
get(array<_Tp, _Size>& __a) _NOEXCEPT
|
|
{
|
|
static_assert(_Ip < _Size, "Index out of bounds in std::get<> (std::array)");
|
|
return __a.__elems_[_Ip];
|
|
}
|
|
|
|
template <size_t _Ip, class _Tp, size_t _Size>
|
|
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
const _Tp&
|
|
get(const array<_Tp, _Size>& __a) _NOEXCEPT
|
|
{
|
|
static_assert(_Ip < _Size, "Index out of bounds in std::get<> (const std::array)");
|
|
return __a.__elems_[_Ip];
|
|
}
|
|
|
|
template <size_t _Ip, class _Tp, size_t _Size>
|
|
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
_Tp&&
|
|
get(array<_Tp, _Size>&& __a) _NOEXCEPT
|
|
{
|
|
static_assert(_Ip < _Size, "Index out of bounds in std::get<> (std::array &&)");
|
|
return _VSTD::move(__a.__elems_[_Ip]);
|
|
}
|
|
|
|
template <size_t _Ip, class _Tp, size_t _Size>
|
|
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
const _Tp&&
|
|
get(const array<_Tp, _Size>&& __a) _NOEXCEPT
|
|
{
|
|
static_assert(_Ip < _Size, "Index out of bounds in std::get<> (const std::array &&)");
|
|
return _VSTD::move(__a.__elems_[_Ip]);
|
|
}
|
|
|
|
#if _LIBCPP_STD_VER > 17
|
|
|
|
template <typename _Tp, size_t _Size, size_t... _Index>
|
|
_LIBCPP_INLINE_VISIBILITY constexpr array<remove_cv_t<_Tp>, _Size>
|
|
__to_array_lvalue_impl(_Tp (&__arr)[_Size], index_sequence<_Index...>) {
|
|
return {{__arr[_Index]...}};
|
|
}
|
|
|
|
template <typename _Tp, size_t _Size, size_t... _Index>
|
|
_LIBCPP_INLINE_VISIBILITY constexpr array<remove_cv_t<_Tp>, _Size>
|
|
__to_array_rvalue_impl(_Tp(&&__arr)[_Size], index_sequence<_Index...>) {
|
|
return {{_VSTD::move(__arr[_Index])...}};
|
|
}
|
|
|
|
template <typename _Tp, size_t _Size>
|
|
_LIBCPP_INLINE_VISIBILITY constexpr array<remove_cv_t<_Tp>, _Size>
|
|
to_array(_Tp (&__arr)[_Size]) noexcept(is_nothrow_constructible_v<_Tp, _Tp&>) {
|
|
static_assert(
|
|
!is_array_v<_Tp>,
|
|
"[array.creation]/1: to_array does not accept multidimensional arrays.");
|
|
static_assert(
|
|
is_constructible_v<_Tp, _Tp&>,
|
|
"[array.creation]/1: to_array requires copy constructible elements.");
|
|
return _VSTD::__to_array_lvalue_impl(__arr, make_index_sequence<_Size>());
|
|
}
|
|
|
|
template <typename _Tp, size_t _Size>
|
|
_LIBCPP_INLINE_VISIBILITY constexpr array<remove_cv_t<_Tp>, _Size>
|
|
to_array(_Tp(&&__arr)[_Size]) noexcept(is_nothrow_move_constructible_v<_Tp>) {
|
|
static_assert(
|
|
!is_array_v<_Tp>,
|
|
"[array.creation]/4: to_array does not accept multidimensional arrays.");
|
|
static_assert(
|
|
is_move_constructible_v<_Tp>,
|
|
"[array.creation]/4: to_array requires move constructible elements.");
|
|
return _VSTD::__to_array_rvalue_impl(_VSTD::move(__arr),
|
|
make_index_sequence<_Size>());
|
|
}
|
|
|
|
#endif // _LIBCPP_STD_VER > 17
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP_ARRAY
|