20 General utilities library [utilities]

20.21 Stacktrace [stacktrace]

20.21.4 Class template basic_­stacktrace [stacktrace.basic]

20.21.4.1 Overview [stacktrace.basic.overview]

namespace std { template<class Allocator> class basic_stacktrace { public: using value_type = stacktrace_entry; using const_reference = const value_type&; using reference = value_type&; using const_iterator = implementation-defined; // see [stacktrace.basic.obs] using iterator = const_iterator; using reverse_iterator = std::reverse_iterator<iterator>; using const_reverse_iterator = std::reverse_iterator<const_iterator>; using difference_type = implementation-defined; using size_type = implementation-defined; using allocator_type = Allocator; // [stacktrace.basic.ctor], creation and assignment static basic_stacktrace current(const allocator_type& alloc = allocator_type()) noexcept; static basic_stacktrace current(size_type skip, const allocator_type& alloc = allocator_type()) noexcept; static basic_stacktrace current(size_type skip, size_type max_depth, const allocator_type& alloc = allocator_type()) noexcept; basic_stacktrace() noexcept(is_nothrow_default_constructible_v<allocator_type>); explicit basic_stacktrace(const allocator_type& alloc) noexcept; basic_stacktrace(const basic_stacktrace& other); basic_stacktrace(basic_stacktrace&& other) noexcept; basic_stacktrace(const basic_stacktrace& other, const allocator_type& alloc); basic_stacktrace(basic_stacktrace&& other, const allocator_type& alloc); basic_stacktrace& operator=(const basic_stacktrace& other); basic_stacktrace& operator=(basic_stacktrace&& other) noexcept(allocator_traits<Allocator>::propagate_on_container_move_assignment::value || allocator_traits<Allocator>::is_always_equal::value); ~basic_stacktrace(); // [stacktrace.basic.obs], observers allocator_type get_allocator() const noexcept; const_iterator begin() const noexcept; const_iterator end() const noexcept; const_reverse_iterator rbegin() const noexcept; const_reverse_iterator rend() const noexcept; const_iterator cbegin() const noexcept; const_iterator cend() const noexcept; const_reverse_iterator crbegin() const noexcept; const_reverse_iterator crend() const noexcept; [[nodiscard]] bool empty() const noexcept; size_type size() const noexcept; size_type max_size() const noexcept; const_reference operator[](size_type) const; const_reference at(size_type) const; // [stacktrace.basic.cmp], comparisons template<class Allocator2> friend bool operator==(const basic_stacktrace& x, const basic_stacktrace<Allocator2>& y) noexcept; template<class Allocator2> friend strong_ordering operator<=>(const basic_stacktrace& x, const basic_stacktrace<Allocator2>& y) noexcept; // [stacktrace.basic.mod], modifiers void swap(basic_stacktrace& other) noexcept(allocator_traits<Allocator>::propagate_on_container_swap::value || allocator_traits<Allocator>::is_always_equal::value); private: vector<value_type, allocator_type> frames_; // exposition only }; }
1
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The class template basic_­stacktrace satisfies the requirements of an allocator-aware container (Table 80), a sequence container ([sequence.reqmts]), and a reversible container ([container.requirements.general]) except that
  • (1.1)
    only move, assignment, swap, and operations defined for const-qualified sequence containers are supported and,
  • (1.2)
    the semantics of comparison functions are different from those required for a container.