diff options
Diffstat (limited to 'third_party/libcxx/include/c++/v1/string_view')
| -rw-r--r-- | third_party/libcxx/include/c++/v1/string_view | 984 |
1 files changed, 0 insertions, 984 deletions
diff --git a/third_party/libcxx/include/c++/v1/string_view b/third_party/libcxx/include/c++/v1/string_view deleted file mode 100644 index 5dd04a9..0000000 --- a/third_party/libcxx/include/c++/v1/string_view +++ /dev/null @@ -1,984 +0,0 @@ -// -*- C++ -*- -//===----------------------------------------------------------------------===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#ifndef _LIBCPP_STRING_VIEW -#define _LIBCPP_STRING_VIEW - -// clang-format off - -/* - - string_view synopsis - -#include <compare> - -namespace std { - - // 7.2, Class template basic_string_view - template<class charT, class traits = char_traits<charT>> - class basic_string_view; - - template<class charT, class traits> - inline constexpr bool ranges::enable_view<basic_string_view<charT, traits>> = true; - - template<class charT, class traits> - inline constexpr bool ranges::enable_borrowed_range<basic_string_view<charT, traits>> = true; // C++20 - - // 7.9, basic_string_view non-member comparison functions - template<class charT, class traits> - constexpr bool operator==(basic_string_view<charT, traits> x, - basic_string_view<charT, traits> y) noexcept; - template<class charT, class traits> // Removed in C++20 - constexpr bool operator!=(basic_string_view<charT, traits> x, - basic_string_view<charT, traits> y) noexcept; - template<class charT, class traits> // Removed in C++20 - constexpr bool operator< (basic_string_view<charT, traits> x, - basic_string_view<charT, traits> y) noexcept; - template<class charT, class traits> // Removed in C++20 - constexpr bool operator> (basic_string_view<charT, traits> x, - basic_string_view<charT, traits> y) noexcept; - template<class charT, class traits> // Removed in C++20 - constexpr bool operator<=(basic_string_view<charT, traits> x, - basic_string_view<charT, traits> y) noexcept; - template<class charT, class traits> // Removed in C++20 - constexpr bool operator>=(basic_string_view<charT, traits> x, - basic_string_view<charT, traits> y) noexcept; - template<class charT, class traits> // Since C++20 - constexpr see below operator<=>(basic_string_view<charT, traits> x, - basic_string_view<charT, traits> y) noexcept; - - // see below, sufficient additional overloads of comparison functions - - // 7.10, Inserters and extractors - template<class charT, class traits> - basic_ostream<charT, traits>& - operator<<(basic_ostream<charT, traits>& os, - basic_string_view<charT, traits> str); - - // basic_string_view typedef names - typedef basic_string_view<char> string_view; - typedef basic_string_view<char8_t> u8string_view; // C++20 - typedef basic_string_view<char16_t> u16string_view; - typedef basic_string_view<char32_t> u32string_view; - typedef basic_string_view<wchar_t> wstring_view; - - template<class charT, class traits = char_traits<charT>> - class basic_string_view { - public: - // types - typedef traits traits_type; - typedef charT value_type; - typedef charT* pointer; - typedef const charT* const_pointer; - typedef charT& reference; - typedef const charT& const_reference; - typedef implementation-defined const_iterator; - typedef const_iterator iterator; - typedef reverse_iterator<const_iterator> const_reverse_iterator; - typedef const_reverse_iterator reverse_iterator; - typedef size_t size_type; - typedef ptrdiff_t difference_type; - static constexpr size_type npos = size_type(-1); - - // 7.3, basic_string_view constructors and assignment operators - constexpr basic_string_view() noexcept; - constexpr basic_string_view(const basic_string_view&) noexcept = default; - basic_string_view& operator=(const basic_string_view&) noexcept = default; - template<class Allocator> - constexpr basic_string_view(const charT* str); - basic_string_view(nullptr_t) = delete; // C++23 - constexpr basic_string_view(const charT* str, size_type len); - template <class It, class End> - constexpr basic_string_view(It begin, End end); // C++20 - template <class Range> - constexpr basic_string_view(Range&& r); // C++23 - - // 7.4, basic_string_view iterator support - constexpr const_iterator begin() const noexcept; - constexpr const_iterator end() const noexcept; - constexpr const_iterator cbegin() const noexcept; - constexpr const_iterator cend() const noexcept; - const_reverse_iterator rbegin() const noexcept; - const_reverse_iterator rend() const noexcept; - const_reverse_iterator crbegin() const noexcept; - const_reverse_iterator crend() const noexcept; - - // 7.5, basic_string_view capacity - constexpr size_type size() const noexcept; - constexpr size_type length() const noexcept; - constexpr size_type max_size() const noexcept; - constexpr bool empty() const noexcept; - - // 7.6, basic_string_view element access - constexpr const_reference operator[](size_type pos) const; - constexpr const_reference at(size_type pos) const; - constexpr const_reference front() const; - constexpr const_reference back() const; - constexpr const_pointer data() const noexcept; - - // 7.7, basic_string_view modifiers - constexpr void remove_prefix(size_type n); - constexpr void remove_suffix(size_type n); - constexpr void swap(basic_string_view& s) noexcept; - - size_type copy(charT* s, size_type n, size_type pos = 0) const; // constexpr in C++20 - - constexpr basic_string_view substr(size_type pos = 0, size_type n = npos) const; - constexpr basic_string_view subview(size_type pos = 0, - size_type n = npos) const; // freestanding-deleted, since C++26 - constexpr int compare(basic_string_view s) const noexcept; - constexpr int compare(size_type pos1, size_type n1, basic_string_view s) const; - constexpr int compare(size_type pos1, size_type n1, - basic_string_view s, size_type pos2, size_type n2) const; - constexpr int compare(const charT* s) const; - constexpr int compare(size_type pos1, size_type n1, const charT* s) const; - constexpr int compare(size_type pos1, size_type n1, - const charT* s, size_type n2) const; - constexpr size_type find(basic_string_view s, size_type pos = 0) const noexcept; - constexpr size_type find(charT c, size_type pos = 0) const noexcept; - constexpr size_type find(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension - constexpr size_type find(const charT* s, size_type pos = 0) const noexcept; // noexcept as an extension - constexpr size_type rfind(basic_string_view s, size_type pos = npos) const noexcept; - constexpr size_type rfind(charT c, size_type pos = npos) const noexcept; - constexpr size_type rfind(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension - constexpr size_type rfind(const charT* s, size_type pos = npos) const noexcept; // noexcept as an extension - constexpr size_type find_first_of(basic_string_view s, size_type pos = 0) const noexcept; - constexpr size_type find_first_of(charT c, size_type pos = 0) const noexcept; - constexpr size_type find_first_of(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension - constexpr size_type find_first_of(const charT* s, size_type pos = 0) const noexcept; // noexcept as an extension - constexpr size_type find_last_of(basic_string_view s, size_type pos = npos) const noexcept; - constexpr size_type find_last_of(charT c, size_type pos = npos) const noexcept; - constexpr size_type find_last_of(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension - constexpr size_type find_last_of(const charT* s, size_type pos = npos) const noexcept; // noexcept as an extension - constexpr size_type find_first_not_of(basic_string_view s, size_type pos = 0) const noexcept; - constexpr size_type find_first_not_of(charT c, size_type pos = 0) const noexcept; - constexpr size_type find_first_not_of(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension - constexpr size_type find_first_not_of(const charT* s, size_type pos = 0) const noexcept; // noexcept as an extension - constexpr size_type find_last_not_of(basic_string_view s, size_type pos = npos) const noexcept; - constexpr size_type find_last_not_of(charT c, size_type pos = npos) const noexcept; - constexpr size_type find_last_not_of(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension - constexpr size_type find_last_not_of(const charT* s, size_type pos = npos) const noexcept; // noexcept as an extension - - constexpr bool starts_with(basic_string_view s) const noexcept; // C++20 - constexpr bool starts_with(charT c) const noexcept; // C++20 - constexpr bool starts_with(const charT* s) const; // C++20 - constexpr bool ends_with(basic_string_view s) const noexcept; // C++20 - constexpr bool ends_with(charT c) const noexcept; // C++20 - constexpr bool ends_with(const charT* s) const; // C++20 - - constexpr bool contains(basic_string_view s) const noexcept; // C++23 - constexpr bool contains(charT c) const noexcept; // C++23 - constexpr bool contains(const charT* s) const; // C++23 - - private: - const_pointer data_; // exposition only - size_type size_; // exposition only - }; - - // basic_string_view deduction guides - template<class It, class End> - basic_string_view(It, End) -> basic_string_view<iter_value_t<It>>; // C++20 - template<class Range> - basic_string_view(Range&&) -> basic_string_view<ranges::range_value_t<Range>>; // C++23 - - // 7.11, Hash support - template <class T> struct hash; - template <> struct hash<string_view>; - template <> struct hash<u8string_view>; // C++20 - template <> struct hash<u16string_view>; - template <> struct hash<u32string_view>; - template <> struct hash<wstring_view>; - - constexpr basic_string_view<char> operator""sv(const char *str, size_t len) noexcept; - constexpr basic_string_view<wchar_t> operator""sv(const wchar_t *str, size_t len) noexcept; - constexpr basic_string_view<char8_t> operator""sv(const char8_t *str, size_t len) noexcept; // C++20 - constexpr basic_string_view<char16_t> operator""sv(const char16_t *str, size_t len) noexcept; - constexpr basic_string_view<char32_t> operator""sv(const char32_t *str, size_t len) noexcept; - -} // namespace std - -*/ - -// clang-format on - -#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) -# include <__cxx03/string_view> -#else -# include <__algorithm/min.h> -# include <__assert> -# include <__config> -# include <__cstddef/nullptr_t.h> -# include <__cstddef/ptrdiff_t.h> -# include <__cstddef/size_t.h> -# include <__functional/hash.h> -# include <__functional/unary_function.h> -# include <__fwd/ostream.h> -# include <__fwd/string.h> -# include <__fwd/string_view.h> -# include <__iterator/bounded_iter.h> -# include <__iterator/concepts.h> -# include <__iterator/iterator_traits.h> -# include <__iterator/reverse_iterator.h> -# include <__iterator/wrap_iter.h> -# include <__memory/pointer_traits.h> -# include <__ranges/concepts.h> -# include <__ranges/data.h> -# include <__ranges/enable_borrowed_range.h> -# include <__ranges/enable_view.h> -# include <__ranges/size.h> -# include <__string/char_traits.h> -# include <__type_traits/is_array.h> -# include <__type_traits/is_convertible.h> -# include <__type_traits/is_same.h> -# include <__type_traits/is_standard_layout.h> -# include <__type_traits/is_trivially_constructible.h> -# include <__type_traits/is_trivially_copyable.h> -# include <__type_traits/remove_cvref.h> -# include <__type_traits/remove_reference.h> -# include <__type_traits/type_identity.h> -# include <iosfwd> -# include <limits> -# include <stdexcept> -# include <version> - -// standard-mandated includes - -// [iterator.range] -# include <__iterator/access.h> -# include <__iterator/data.h> -# include <__iterator/empty.h> -# include <__iterator/reverse_access.h> -# include <__iterator/size.h> - -// [string.view.synop] -# include <compare> - -# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -# pragma GCC system_header -# endif - -_LIBCPP_PUSH_MACROS -# include <__undef_macros> - -_LIBCPP_BEGIN_NAMESPACE_STD - -// TODO: This is a workaround for some vendors to carry a downstream diff to accept `nullptr` in -// string_view constructors. This can be refactored when this exact form isn't needed anymore. -template <class _Traits> -_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR inline size_t -__char_traits_length_checked(const typename _Traits::char_type* __s) _NOEXCEPT { - // This needs to be a single statement for C++11 constexpr - return _LIBCPP_ASSERT_NON_NULL( - __s != nullptr, "null pointer passed to non-null argument of char_traits<...>::length"), - _Traits::length(__s); -} - -template <class _CharT, class _Traits> -class basic_string_view { -public: - // types - using traits_type = _Traits; - using value_type = _CharT; - using pointer = _CharT*; - using const_pointer = const _CharT*; - using reference = _CharT&; - using const_reference = const _CharT&; -# if defined(_LIBCPP_ABI_BOUNDED_ITERATORS) - using const_iterator = __bounded_iter<const_pointer>; -# elif defined(_LIBCPP_ABI_USE_WRAP_ITER_IN_STD_STRING_VIEW) - using const_iterator = __wrap_iter<const_pointer>; -# else - using const_iterator = const_pointer; -# endif - using iterator = const_iterator; - using const_reverse_iterator = std::reverse_iterator<const_iterator>; - using reverse_iterator = const_reverse_iterator; - using size_type = size_t; - using difference_type = ptrdiff_t; - static _LIBCPP_CONSTEXPR const size_type npos = -1; // size_type(-1); - - static_assert(!is_array<value_type>::value, "Character type of basic_string_view must not be an array"); - static_assert(is_standard_layout<value_type>::value, "Character type of basic_string_view must be standard-layout"); - static_assert(is_trivially_default_constructible<value_type>::value, - "Character type of basic_string_view must be trivially default constructible"); - static_assert(is_trivially_copyable<value_type>::value, - "Character type of basic_string_view must be trivially copyable"); - static_assert(is_same<_CharT, typename traits_type::char_type>::value, - "traits_type::char_type must be the same type as CharT"); - - // [string.view.cons], construct/copy - _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI basic_string_view() _NOEXCEPT : __data_(nullptr), __size_(0) {} - - _LIBCPP_HIDE_FROM_ABI basic_string_view(const basic_string_view&) _NOEXCEPT = default; - - _LIBCPP_HIDE_FROM_ABI basic_string_view& operator=(const basic_string_view&) _NOEXCEPT = default; - - _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI basic_string_view(const _CharT* __s, size_type __len) _NOEXCEPT - _LIBCPP_DIAGNOSE_NULLPTR_IF(__len != 0 && __s == nullptr, " if len is not zero") - : __data_(__s), __size_(__len) { -# if !defined(_LIBCPP_CXX03_LANG) && (!defined(_LIBCPP_COMPILER_GCC) || _LIBCPP_STD_VER >= 14) - // Allocations must fit in `ptrdiff_t` for pointer arithmetic to work. If `__len` exceeds it, the input - // range could not have been valid. Most likely the caller underflowed some arithmetic and inadvertently - // passed in a negative length. - _LIBCPP_ASSERT_VALID_INPUT_RANGE( - __len <= static_cast<size_type>(numeric_limits<difference_type>::max()), - "string_view::string_view(_CharT *, size_t): length does not fit in difference_type"); - _LIBCPP_ASSERT_NON_NULL( - __len == 0 || __s != nullptr, "string_view::string_view(_CharT *, size_t): received nullptr"); -# endif - } - -# if _LIBCPP_STD_VER >= 20 - template <contiguous_iterator _It, sized_sentinel_for<_It> _End> - requires(is_same_v<iter_value_t<_It>, _CharT> && !is_convertible_v<_End, size_type>) - constexpr _LIBCPP_HIDE_FROM_ABI basic_string_view(_It __begin, _End __end) - : __data_(std::to_address(__begin)), __size_(__end - __begin) { - _LIBCPP_ASSERT_VALID_INPUT_RANGE( - (__end - __begin) >= 0, "std::string_view::string_view(iterator, sentinel) received invalid range"); - } -# endif // _LIBCPP_STD_VER >= 20 - -# if _LIBCPP_STD_VER >= 23 - template <class _Range> - requires(!is_same_v<remove_cvref_t<_Range>, basic_string_view> && ranges::contiguous_range<_Range> && - ranges::sized_range<_Range> && is_same_v<ranges::range_value_t<_Range>, _CharT> && - !is_convertible_v<_Range, const _CharT*> && - (!requires(remove_cvref_t<_Range>& __d) { __d.operator std::basic_string_view<_CharT, _Traits>(); })) - constexpr explicit _LIBCPP_HIDE_FROM_ABI basic_string_view(_Range&& __r) - : __data_(ranges::data(__r)), __size_(ranges::size(__r)) {} -# endif // _LIBCPP_STD_VER >= 23 - - _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI basic_string_view(const _CharT* _LIBCPP_DIAGNOSE_NULLPTR __s) - : __data_(__s), __size_(std::__char_traits_length_checked<_Traits>(__s)) {} - -# if _LIBCPP_STD_VER >= 23 - basic_string_view(nullptr_t) = delete; -# endif - - // [string.view.iterators], iterators - [[__nodiscard__]] _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI const_iterator begin() const _NOEXCEPT { return cbegin(); } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI const_iterator end() const _NOEXCEPT { return cend(); } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI const_iterator cbegin() const _NOEXCEPT { -# ifdef _LIBCPP_ABI_BOUNDED_ITERATORS - return std::__make_bounded_iter(data(), data(), data() + size()); -# else - return const_iterator(__data_); -# endif - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI const_iterator cend() const _NOEXCEPT { -# ifdef _LIBCPP_ABI_BOUNDED_ITERATORS - return std::__make_bounded_iter(data() + size(), data(), data() + size()); -# else - return const_iterator(__data_ + __size_); -# endif - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX17 _LIBCPP_HIDE_FROM_ABI const_reverse_iterator - rbegin() const _NOEXCEPT { - return const_reverse_iterator(cend()); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX17 _LIBCPP_HIDE_FROM_ABI const_reverse_iterator rend() const _NOEXCEPT { - return const_reverse_iterator(cbegin()); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX17 _LIBCPP_HIDE_FROM_ABI const_reverse_iterator - crbegin() const _NOEXCEPT { - return const_reverse_iterator(cend()); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX17 _LIBCPP_HIDE_FROM_ABI const_reverse_iterator crend() const _NOEXCEPT { - return const_reverse_iterator(cbegin()); - } - - // [string.view.capacity], capacity - [[__nodiscard__]] _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI size_type size() const _NOEXCEPT { return __size_; } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI size_type length() const _NOEXCEPT { return __size_; } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI size_type max_size() const _NOEXCEPT { - return numeric_limits<size_type>::max() / sizeof(value_type); - } - - [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool empty() const _NOEXCEPT { return __size_ == 0; } - - // [string.view.access], element access - [[__nodiscard__]] _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI const_reference - operator[](size_type __pos) const _NOEXCEPT { - return _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(__pos < size(), "string_view[] index out of bounds"), __data_[__pos]; - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI const_reference at(size_type __pos) const { - return __pos >= size() ? (__throw_out_of_range("string_view::at"), __data_[0]) : __data_[__pos]; - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI const_reference front() const _NOEXCEPT { - return _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(!empty(), "string_view::front(): string is empty"), __data_[0]; - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI const_reference back() const _NOEXCEPT { - return _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(!empty(), "string_view::back(): string is empty"), __data_[__size_ - 1]; - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI const_pointer data() const _NOEXCEPT { return __data_; } - - // [string.view.modifiers], modifiers: - _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI void remove_prefix(size_type __n) _NOEXCEPT { - _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(__n <= size(), "remove_prefix() can't remove more than size()"); - __data_ += __n; - __size_ -= __n; - } - - _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI void remove_suffix(size_type __n) _NOEXCEPT { - _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(__n <= size(), "remove_suffix() can't remove more than size()"); - __size_ -= __n; - } - - _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI void swap(basic_string_view& __other) _NOEXCEPT { - const value_type* __p = __data_; - __data_ = __other.__data_; - __other.__data_ = __p; - - size_type __sz = __size_; - __size_ = __other.__size_; - __other.__size_ = __sz; - } - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_type - copy(_CharT* __s, size_type __n, size_type __pos = 0) const { - if (__pos > size()) - std::__throw_out_of_range("string_view::copy"); - size_type __rlen = std::min(__n, size() - __pos); - _Traits::copy(__s, data() + __pos, __rlen); - return __rlen; - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI basic_string_view - substr(size_type __pos = 0, size_type __n = npos) const { - // Use the `__assume_valid` form of the constructor to avoid an unnecessary check. Any substring of a view is a - // valid view. In particular, `size()` is known to be smaller than `numeric_limits<difference_type>::max()`, so the - // new size is also smaller. See also https://llvm.org/PR91634. - return __pos > size() ? (__throw_out_of_range("string_view::substr"), basic_string_view()) - : basic_string_view(__assume_valid(), data() + __pos, std::min(__n, size() - __pos)); - } - -# if _LIBCPP_STD_VER >= 26 - [[nodiscard]] - _LIBCPP_HIDE_FROM_ABI constexpr basic_string_view subview(size_type __pos = 0, size_type __n = npos) const { - return substr(__pos, __n); - } -# endif - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 int compare(basic_string_view __sv) const _NOEXCEPT { - size_type __rlen = std::min(size(), __sv.size()); - int __retval = _Traits::compare(data(), __sv.data(), __rlen); - if (__retval == 0) // first __rlen chars matched - __retval = size() == __sv.size() ? 0 : (size() < __sv.size() ? -1 : 1); - return __retval; - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI int - compare(size_type __pos1, size_type __n1, basic_string_view __sv) const { - return substr(__pos1, __n1).compare(__sv); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI int - compare(size_type __pos1, size_type __n1, basic_string_view __sv, size_type __pos2, size_type __n2) const { - return substr(__pos1, __n1).compare(__sv.substr(__pos2, __n2)); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI int - compare(const _CharT* _LIBCPP_DIAGNOSE_NULLPTR __s) const _NOEXCEPT { - return compare(basic_string_view(__s)); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI int - compare(size_type __pos1, size_type __n1, const _CharT* _LIBCPP_DIAGNOSE_NULLPTR __s) const { - return substr(__pos1, __n1).compare(basic_string_view(__s)); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI int - compare(size_type __pos1, size_type __n1, const _CharT* __s, size_type __n2) const - _LIBCPP_DIAGNOSE_NULLPTR_IF(__n2 != 0 && __s == nullptr, " if n2 is not zero") { - return substr(__pos1, __n1).compare(basic_string_view(__s, __n2)); - } - - // find - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT { - return std::__str_find<value_type, size_type, traits_type, npos>(data(), size(), __s.data(), __pos, __s.size()); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find(_CharT __c, size_type __pos = 0) const _NOEXCEPT { - return std::__str_find<value_type, size_type, traits_type, npos>(data(), size(), __c, __pos); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT - _LIBCPP_DIAGNOSE_NULLPTR_IF(__n != 0 && __s == nullptr, " if n is not zero") { - _LIBCPP_ASSERT_NON_NULL(__n == 0 || __s != nullptr, "string_view::find(): received nullptr"); - return std::__str_find<value_type, size_type, traits_type, npos>(data(), size(), __s, __pos, __n); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find(const _CharT* _LIBCPP_DIAGNOSE_NULLPTR __s, size_type __pos = 0) const _NOEXCEPT { - _LIBCPP_ASSERT_NON_NULL(__s != nullptr, "string_view::find(): received nullptr"); - return std::__str_find<value_type, size_type, traits_type, npos>( - data(), size(), __s, __pos, traits_type::length(__s)); - } - - // rfind - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - rfind(basic_string_view __s, size_type __pos = npos) const _NOEXCEPT { - return std::__str_rfind<value_type, size_type, traits_type, npos>(data(), size(), __s.data(), __pos, __s.size()); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - rfind(_CharT __c, size_type __pos = npos) const _NOEXCEPT { - return std::__str_rfind<value_type, size_type, traits_type, npos>(data(), size(), __c, __pos); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - rfind(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT - _LIBCPP_DIAGNOSE_NULLPTR_IF(__n != 0 && __s == nullptr, " if n is not zero") { - _LIBCPP_ASSERT_NON_NULL(__n == 0 || __s != nullptr, "string_view::rfind(): received nullptr"); - return std::__str_rfind<value_type, size_type, traits_type, npos>(data(), size(), __s, __pos, __n); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - rfind(const _CharT* _LIBCPP_DIAGNOSE_NULLPTR __s, size_type __pos = npos) const _NOEXCEPT { - _LIBCPP_ASSERT_NON_NULL(__s != nullptr, "string_view::rfind(): received nullptr"); - return std::__str_rfind<value_type, size_type, traits_type, npos>( - data(), size(), __s, __pos, traits_type::length(__s)); - } - - // find_first_of - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_first_of(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT { - return std::__str_find_first_of<value_type, size_type, traits_type, npos>( - data(), size(), __s.data(), __pos, __s.size()); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_first_of(_CharT __c, size_type __pos = 0) const _NOEXCEPT { - return find(__c, __pos); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_first_of(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT - _LIBCPP_DIAGNOSE_NULLPTR_IF(__n != 0 && __s == nullptr, " if n is not zero") { - _LIBCPP_ASSERT_NON_NULL(__n == 0 || __s != nullptr, "string_view::find_first_of(): received nullptr"); - return std::__str_find_first_of<value_type, size_type, traits_type, npos>(data(), size(), __s, __pos, __n); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_first_of(const _CharT* _LIBCPP_DIAGNOSE_NULLPTR __s, size_type __pos = 0) const _NOEXCEPT { - _LIBCPP_ASSERT_NON_NULL(__s != nullptr, "string_view::find_first_of(): received nullptr"); - return std::__str_find_first_of<value_type, size_type, traits_type, npos>( - data(), size(), __s, __pos, traits_type::length(__s)); - } - - // find_last_of - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_last_of(basic_string_view __s, size_type __pos = npos) const _NOEXCEPT { - return std::__str_find_last_of<value_type, size_type, traits_type, npos>( - data(), size(), __s.data(), __pos, __s.size()); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_last_of(_CharT __c, size_type __pos = npos) const _NOEXCEPT { - return rfind(__c, __pos); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_last_of(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT - _LIBCPP_DIAGNOSE_NULLPTR_IF(__n != 0 && __s == nullptr, " if n is not zero") { - _LIBCPP_ASSERT_NON_NULL(__n == 0 || __s != nullptr, "string_view::find_last_of(): received nullptr"); - return std::__str_find_last_of<value_type, size_type, traits_type, npos>(data(), size(), __s, __pos, __n); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_last_of(const _CharT* _LIBCPP_DIAGNOSE_NULLPTR __s, size_type __pos = npos) const _NOEXCEPT { - _LIBCPP_ASSERT_NON_NULL(__s != nullptr, "string_view::find_last_of(): received nullptr"); - return std::__str_find_last_of<value_type, size_type, traits_type, npos>( - data(), size(), __s, __pos, traits_type::length(__s)); - } - - // find_first_not_of - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_first_not_of(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT { - return std::__str_find_first_not_of<value_type, size_type, traits_type, npos>( - data(), size(), __s.data(), __pos, __s.size()); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_first_not_of(_CharT __c, size_type __pos = 0) const _NOEXCEPT { - return std::__str_find_first_not_of<value_type, size_type, traits_type, npos>(data(), size(), __c, __pos); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT - _LIBCPP_DIAGNOSE_NULLPTR_IF(__n != 0 && __s == nullptr, " if n is not zero") { - _LIBCPP_ASSERT_NON_NULL(__n == 0 || __s != nullptr, "string_view::find_first_not_of(): received nullptr"); - return std::__str_find_first_not_of<value_type, size_type, traits_type, npos>(data(), size(), __s, __pos, __n); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_first_not_of(const _CharT* _LIBCPP_DIAGNOSE_NULLPTR __s, size_type __pos = 0) const _NOEXCEPT { - _LIBCPP_ASSERT_NON_NULL(__s != nullptr, "string_view::find_first_not_of(): received nullptr"); - return std::__str_find_first_not_of<value_type, size_type, traits_type, npos>( - data(), size(), __s, __pos, traits_type::length(__s)); - } - - // find_last_not_of - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_last_not_of(basic_string_view __s, size_type __pos = npos) const _NOEXCEPT { - return std::__str_find_last_not_of<value_type, size_type, traits_type, npos>( - data(), size(), __s.data(), __pos, __s.size()); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_last_not_of(_CharT __c, size_type __pos = npos) const _NOEXCEPT { - return std::__str_find_last_not_of<value_type, size_type, traits_type, npos>(data(), size(), __c, __pos); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT - _LIBCPP_DIAGNOSE_NULLPTR_IF(__n != 0 && __s == nullptr, " if n is not zero") { - _LIBCPP_ASSERT_NON_NULL(__n == 0 || __s != nullptr, "string_view::find_last_not_of(): received nullptr"); - return std::__str_find_last_not_of<value_type, size_type, traits_type, npos>(data(), size(), __s, __pos, __n); - } - - [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI size_type - find_last_not_of(const _CharT* _LIBCPP_DIAGNOSE_NULLPTR __s, size_type __pos = npos) const _NOEXCEPT { - _LIBCPP_ASSERT_NON_NULL(__s != nullptr, "string_view::find_last_not_of(): received nullptr"); - return std::__str_find_last_not_of<value_type, size_type, traits_type, npos>( - data(), size(), __s, __pos, traits_type::length(__s)); - } - -# if _LIBCPP_STD_VER >= 20 - [[nodiscard]] constexpr _LIBCPP_HIDE_FROM_ABI bool starts_with(basic_string_view __s) const noexcept { - return size() >= __s.size() && compare(0, __s.size(), __s) == 0; - } - - [[nodiscard]] constexpr _LIBCPP_HIDE_FROM_ABI bool starts_with(value_type __c) const noexcept { - return !empty() && _Traits::eq(front(), __c); - } - - [[nodiscard]] constexpr _LIBCPP_HIDE_FROM_ABI bool - starts_with(const value_type* _LIBCPP_DIAGNOSE_NULLPTR __s) const noexcept { - return starts_with(basic_string_view(__s)); - } - - [[nodiscard]] constexpr _LIBCPP_HIDE_FROM_ABI bool ends_with(basic_string_view __s) const noexcept { - return size() >= __s.size() && compare(size() - __s.size(), npos, __s) == 0; - } - - [[nodiscard]] constexpr _LIBCPP_HIDE_FROM_ABI bool ends_with(value_type __c) const noexcept { - return !empty() && _Traits::eq(back(), __c); - } - - [[nodiscard]] constexpr _LIBCPP_HIDE_FROM_ABI bool - ends_with(const value_type* _LIBCPP_DIAGNOSE_NULLPTR __s) const noexcept { - return ends_with(basic_string_view(__s)); - } -# endif - -# if _LIBCPP_STD_VER >= 23 - [[nodiscard]] constexpr _LIBCPP_HIDE_FROM_ABI bool contains(basic_string_view __sv) const noexcept { - return find(__sv) != npos; - } - - [[nodiscard]] constexpr _LIBCPP_HIDE_FROM_ABI bool contains(value_type __c) const noexcept { - return find(__c) != npos; - } - - [[nodiscard]] constexpr _LIBCPP_HIDE_FROM_ABI bool contains(const value_type* _LIBCPP_DIAGNOSE_NULLPTR __s) const { - return find(__s) != npos; - } -# endif - -private: - struct __assume_valid {}; - - // This is the same as the pointer and length constructor, but without the additional hardening checks. It is intended - // for use within the class, when the class invariants already guarantee the resulting object is valid. The compiler - // usually cannot eliminate the redundant checks because it does not know class invariants. - _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI - basic_string_view(__assume_valid, const _CharT* __s, size_type __len) _NOEXCEPT - : __data_(__s), - __size_(__len) {} - - const value_type* __data_; - size_type __size_; - - template <class, class, class> - friend class basic_string; -}; -_LIBCPP_CTAD_SUPPORTED_FOR_TYPE(basic_string_view); - -# if _LIBCPP_STD_VER >= 20 -template <class _CharT, class _Traits> -inline constexpr bool ranges::enable_view<basic_string_view<_CharT, _Traits>> = true; - -template <class _CharT, class _Traits> -inline constexpr bool ranges::enable_borrowed_range<basic_string_view<_CharT, _Traits> > = true; -# endif // _LIBCPP_STD_VER >= 20 - -// [string.view.deduct] - -# if _LIBCPP_STD_VER >= 20 -template <contiguous_iterator _It, sized_sentinel_for<_It> _End> -basic_string_view(_It, _End) -> basic_string_view<iter_value_t<_It>>; -# endif // _LIBCPP_STD_VER >= 20 - -# if _LIBCPP_STD_VER >= 23 -template <ranges::contiguous_range _Range> -basic_string_view(_Range) -> basic_string_view<ranges::range_value_t<_Range>>; -# endif - -// [string.view.comparison] - -// The dummy default template parameters are used to work around a MSVC issue with mangling, see VSO-409326 for details. -// This applies to the other sufficient overloads below for the other comparison operators. -template <class _CharT, class _Traits, int = 1> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator==(basic_string_view<_CharT, _Traits> __lhs, - __type_identity_t<basic_string_view<_CharT, _Traits> > __rhs) _NOEXCEPT { - if (__lhs.size() != __rhs.size()) - return false; - return __lhs.compare(__rhs) == 0; -} - -# if _LIBCPP_STD_VER >= 20 - -template <class _CharT, class _Traits> -_LIBCPP_HIDE_FROM_ABI constexpr auto operator<=>(basic_string_view<_CharT, _Traits> __lhs, - type_identity_t<basic_string_view<_CharT, _Traits>> __rhs) noexcept { - if constexpr (requires { typename _Traits::comparison_category; }) { - // [string.view]/4 - static_assert( - __comparison_category<typename _Traits::comparison_category>, "return type is not a comparison category type"); - return static_cast<typename _Traits::comparison_category>(__lhs.compare(__rhs) <=> 0); - } else { - return static_cast<weak_ordering>(__lhs.compare(__rhs) <=> 0); - } -} - -# else - -// operator == - -template <class _CharT, class _Traits> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator==(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { - if (__lhs.size() != __rhs.size()) - return false; - return __lhs.compare(__rhs) == 0; -} - -template <class _CharT, class _Traits, int = 2> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator==(__type_identity_t<basic_string_view<_CharT, _Traits> > __lhs, - basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { - return __lhs == __rhs; -} - -// operator != -template <class _CharT, class _Traits> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator!=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { - return !(__lhs == __rhs); -} - -template <class _CharT, class _Traits, int = 1> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator!=(basic_string_view<_CharT, _Traits> __lhs, - __type_identity_t<basic_string_view<_CharT, _Traits> > __rhs) _NOEXCEPT { - return !(__lhs == __rhs); -} - -template <class _CharT, class _Traits, int = 2> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator!=(__type_identity_t<basic_string_view<_CharT, _Traits> > __lhs, - basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { - return !(__lhs == __rhs); -} - -// operator < -template <class _CharT, class _Traits> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator<(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { - return __lhs.compare(__rhs) < 0; -} - -template <class _CharT, class _Traits, int = 1> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator<(basic_string_view<_CharT, _Traits> __lhs, - __type_identity_t<basic_string_view<_CharT, _Traits> > __rhs) _NOEXCEPT { - return __lhs.compare(__rhs) < 0; -} - -template <class _CharT, class _Traits, int = 2> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator<(__type_identity_t<basic_string_view<_CharT, _Traits> > __lhs, - basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { - return __lhs.compare(__rhs) < 0; -} - -// operator > -template <class _CharT, class _Traits> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator>(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { - return __lhs.compare(__rhs) > 0; -} - -template <class _CharT, class _Traits, int = 1> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator>(basic_string_view<_CharT, _Traits> __lhs, - __type_identity_t<basic_string_view<_CharT, _Traits> > __rhs) _NOEXCEPT { - return __lhs.compare(__rhs) > 0; -} - -template <class _CharT, class _Traits, int = 2> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator>(__type_identity_t<basic_string_view<_CharT, _Traits> > __lhs, - basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { - return __lhs.compare(__rhs) > 0; -} - -// operator <= -template <class _CharT, class _Traits> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator<=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { - return __lhs.compare(__rhs) <= 0; -} - -template <class _CharT, class _Traits, int = 1> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator<=(basic_string_view<_CharT, _Traits> __lhs, - __type_identity_t<basic_string_view<_CharT, _Traits> > __rhs) _NOEXCEPT { - return __lhs.compare(__rhs) <= 0; -} - -template <class _CharT, class _Traits, int = 2> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator<=(__type_identity_t<basic_string_view<_CharT, _Traits> > __lhs, - basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { - return __lhs.compare(__rhs) <= 0; -} - -// operator >= -template <class _CharT, class _Traits> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator>=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { - return __lhs.compare(__rhs) >= 0; -} - -template <class _CharT, class _Traits, int = 1> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator>=(basic_string_view<_CharT, _Traits> __lhs, - __type_identity_t<basic_string_view<_CharT, _Traits> > __rhs) _NOEXCEPT { - return __lhs.compare(__rhs) >= 0; -} - -template <class _CharT, class _Traits, int = 2> -_LIBCPP_CONSTEXPR_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI bool -operator>=(__type_identity_t<basic_string_view<_CharT, _Traits> > __lhs, - basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { - return __lhs.compare(__rhs) >= 0; -} - -# endif // _LIBCPP_STD_VER >= 20 - -template <class _CharT, class _Traits> -_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, basic_string_view<_CharT, _Traits> __str); - -// [string.view.hash] -template <class _CharT> -struct __string_view_hash : public __unary_function<basic_string_view<_CharT, char_traits<_CharT> >, size_t> { - [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI size_t - operator()(const basic_string_view<_CharT, char_traits<_CharT> > __val) const _NOEXCEPT { - return std::__do_string_hash(__val.data(), __val.data() + __val.size()); - } -}; - -template <> -struct hash<basic_string_view<char, char_traits<char> > > : __string_view_hash<char> {}; - -# if _LIBCPP_HAS_CHAR8_T -template <> -struct hash<basic_string_view<char8_t, char_traits<char8_t> > > : __string_view_hash<char8_t> {}; -# endif - -template <> -struct hash<basic_string_view<char16_t, char_traits<char16_t> > > : __string_view_hash<char16_t> {}; - -template <> -struct hash<basic_string_view<char32_t, char_traits<char32_t> > > : __string_view_hash<char32_t> {}; - -# if _LIBCPP_HAS_WIDE_CHARACTERS -template <> -struct hash<basic_string_view<wchar_t, char_traits<wchar_t> > > : __string_view_hash<wchar_t> {}; -# endif - -# if _LIBCPP_STD_VER >= 14 -inline namespace literals { -inline namespace string_view_literals { -[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI constexpr basic_string_view<char> -operator""sv(const char* __str, size_t __len) noexcept { - return basic_string_view<char>(__str, __len); -} - -# if _LIBCPP_HAS_WIDE_CHARACTERS -[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI constexpr basic_string_view<wchar_t> -operator""sv(const wchar_t* __str, size_t __len) noexcept { - return basic_string_view<wchar_t>(__str, __len); -} -# endif - -# if _LIBCPP_HAS_CHAR8_T -[[nodiscard]] inline _LIBCPP_HIDE_FROM_ABI constexpr basic_string_view<char8_t> -operator""sv(const char8_t* __str, size_t __len) noexcept { - return basic_string_view<char8_t>(__str, __len); -} -# endif - -[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI constexpr basic_string_view<char16_t> -operator""sv(const char16_t* __str, size_t __len) noexcept { - return basic_string_view<char16_t>(__str, __len); -} - -[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI constexpr basic_string_view<char32_t> -operator""sv(const char32_t* __str, size_t __len) noexcept { - return basic_string_view<char32_t>(__str, __len); -} -} // namespace string_view_literals -} // namespace literals -# endif -_LIBCPP_END_NAMESPACE_STD - -_LIBCPP_POP_MACROS - -# if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 -# include <algorithm> -# include <concepts> -# include <cstdlib> -# include <iterator> -# include <optional> -# include <type_traits> -# endif -#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) - -#endif // _LIBCPP_STRING_VIEW |