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// -*- 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___CXX03_STACK
#define _LIBCPP___CXX03_STACK
/*
stack synopsis
namespace std
{
template <class T, class Container = deque<T>>
class stack
{
public:
typedef Container container_type;
typedef typename container_type::value_type value_type;
typedef typename container_type::reference reference;
typedef typename container_type::const_reference const_reference;
typedef typename container_type::size_type size_type;
protected:
container_type c;
public:
stack() = default;
~stack() = default;
stack(const stack& q) = default;
stack(stack&& q) = default;
stack& operator=(const stack& q) = default;
stack& operator=(stack&& q) = default;
explicit stack(const container_type& c);
explicit stack(container_type&& c);
template <class InputIterator> stack(InputIterator first, InputIterator last); // since C++23
template<container-compatible-range<T> R> stack(from_range_t, R&& rg); // since C++23
template <class Alloc> explicit stack(const Alloc& a);
template <class Alloc> stack(const container_type& c, const Alloc& a);
template <class Alloc> stack(container_type&& c, const Alloc& a);
template <class Alloc> stack(const stack& c, const Alloc& a);
template <class Alloc> stack(stack&& c, const Alloc& a);
template<class InputIterator, class Alloc>
stack(InputIterator first, InputIterator last, const Alloc&); // since C++23
template<container-compatible-range<T> R, class Alloc>
stack(from_range_t, R&& rg, const Alloc&); // since C++23
bool empty() const;
size_type size() const;
reference top();
const_reference top() const;
void push(const value_type& x);
void push(value_type&& x);
template<container-compatible-range<T> R>
void push_range(R&& rg); // C++23
template <class... Args> reference emplace(Args&&... args); // reference in C++17
void pop();
void swap(stack& c) noexcept(is_nothrow_swappable_v<Container>)
};
template<class Container>
stack(Container) -> stack<typename Container::value_type, Container>; // C++17
template<class InputIterator>
stack(InputIterator, InputIterator) -> stack<iter-value-type<InputIterator>>; // since C++23
template<ranges::input_range R>
stack(from_range_t, R&&) -> stack<ranges::range_value_t<R>>; // since C++23
template<class Container, class Allocator>
stack(Container, Allocator) -> stack<typename Container::value_type, Container>; // C++17
template<class InputIterator, class Allocator>
stack(InputIterator, InputIterator, Allocator)
-> stack<iter-value-type<InputIterator>,
deque<iter-value-type<InputIterator>, Allocator>>; // since C++23
template<ranges::input_range R, class Allocator>
stack(from_range_t, R&&, Allocator)
-> stack<ranges::range_value_t<R>, deque<ranges::range_value_t<R>, Allocator>>; // since C++23
template <class T, class Container>
bool operator==(const stack<T, Container>& x, const stack<T, Container>& y);
template <class T, class Container>
bool operator< (const stack<T, Container>& x, const stack<T, Container>& y);
template <class T, class Container>
bool operator!=(const stack<T, Container>& x, const stack<T, Container>& y);
template <class T, class Container>
bool operator> (const stack<T, Container>& x, const stack<T, Container>& y);
template <class T, class Container>
bool operator>=(const stack<T, Container>& x, const stack<T, Container>& y);
template <class T, class Container>
bool operator<=(const stack<T, Container>& x, const stack<T, Container>& y);
template<class T, three_way_comparable Container>
compare_three_way_result_t<Container>
operator<=>(const stack<T, Container>& x, const stack<T, Container>& y); // since C++20
template <class T, class Container>
void swap(stack<T, Container>& x, stack<T, Container>& y)
noexcept(noexcept(x.swap(y)));
} // std
*/
#include <__cxx03/__config>
#include <__cxx03/__fwd/stack.h>
#include <__cxx03/__iterator/back_insert_iterator.h>
#include <__cxx03/__iterator/iterator_traits.h>
#include <__cxx03/__memory/uses_allocator.h>
#include <__cxx03/__type_traits/is_same.h>
#include <__cxx03/__utility/forward.h>
#include <__cxx03/deque>
#include <__cxx03/version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
#include <__cxx03/__undef_macros>
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp, class _Container>
_LIBCPP_HIDE_FROM_ABI bool operator==(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y);
template <class _Tp, class _Container>
_LIBCPP_HIDE_FROM_ABI bool operator<(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y);
template <class _Tp, class _Container /*= deque<_Tp>*/>
class _LIBCPP_TEMPLATE_VIS stack {
public:
typedef _Container container_type;
typedef typename container_type::value_type value_type;
typedef typename container_type::reference reference;
typedef typename container_type::const_reference const_reference;
typedef typename container_type::size_type size_type;
static_assert(is_same<_Tp, value_type>::value, "");
protected:
container_type c;
public:
_LIBCPP_HIDE_FROM_ABI stack() : c() {}
_LIBCPP_HIDE_FROM_ABI stack(const stack& __q) : c(__q.c) {}
_LIBCPP_HIDE_FROM_ABI stack& operator=(const stack& __q) {
c = __q.c;
return *this;
}
_LIBCPP_HIDE_FROM_ABI explicit stack(const container_type& __c) : c(__c) {}
template <class _Alloc>
_LIBCPP_HIDE_FROM_ABI explicit stack(const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0)
: c(__a) {}
template <class _Alloc>
_LIBCPP_HIDE_FROM_ABI
stack(const container_type& __c, const _Alloc& __a, __enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0)
: c(__c, __a) {}
template <class _Alloc>
_LIBCPP_HIDE_FROM_ABI
stack(const stack& __s, const _Alloc& __a, __enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0)
: c(__s.c, __a) {}
_LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI bool empty() const { return c.empty(); }
_LIBCPP_HIDE_FROM_ABI size_type size() const { return c.size(); }
_LIBCPP_HIDE_FROM_ABI reference top() { return c.back(); }
_LIBCPP_HIDE_FROM_ABI const_reference top() const { return c.back(); }
_LIBCPP_HIDE_FROM_ABI void push(const value_type& __v) { c.push_back(__v); }
_LIBCPP_HIDE_FROM_ABI void pop() { c.pop_back(); }
_LIBCPP_HIDE_FROM_ABI void swap(stack& __s) {
using std::swap;
swap(c, __s.c);
}
_LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI const _Container& __get_container() const { return c; }
template <class _T1, class _OtherContainer>
friend bool operator==(const stack<_T1, _OtherContainer>& __x, const stack<_T1, _OtherContainer>& __y);
template <class _T1, class _OtherContainer>
friend bool operator<(const stack<_T1, _OtherContainer>& __x, const stack<_T1, _OtherContainer>& __y);
};
template <class _Tp, class _Container>
inline _LIBCPP_HIDE_FROM_ABI bool operator==(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y) {
return __x.c == __y.c;
}
template <class _Tp, class _Container>
inline _LIBCPP_HIDE_FROM_ABI bool operator<(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y) {
return __x.c < __y.c;
}
template <class _Tp, class _Container>
inline _LIBCPP_HIDE_FROM_ABI bool operator!=(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y) {
return !(__x == __y);
}
template <class _Tp, class _Container>
inline _LIBCPP_HIDE_FROM_ABI bool operator>(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y) {
return __y < __x;
}
template <class _Tp, class _Container>
inline _LIBCPP_HIDE_FROM_ABI bool operator>=(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y) {
return !(__x < __y);
}
template <class _Tp, class _Container>
inline _LIBCPP_HIDE_FROM_ABI bool operator<=(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y) {
return !(__y < __x);
}
template <class _Tp, class _Container, __enable_if_t<__is_swappable_v<_Container>, int> = 0>
inline _LIBCPP_HIDE_FROM_ABI void swap(stack<_Tp, _Container>& __x, stack<_Tp, _Container>& __y) {
__x.swap(__y);
}
template <class _Tp, class _Container, class _Alloc>
struct _LIBCPP_TEMPLATE_VIS uses_allocator<stack<_Tp, _Container>, _Alloc> : public uses_allocator<_Container, _Alloc> {
};
_LIBCPP_END_NAMESPACE_STD
_LIBCPP_POP_MACROS
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES)
# include <__cxx03/functional>
# include <__cxx03/type_traits>
#endif
#endif // _LIBCPP___CXX03_STACK
|
