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// -*- C++ -*-
//===---------------------------- stack -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_STACK
#define _LIBCPP_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:
explicit stack();
explicit stack(const container_type& c);
explicit stack(container_type&& c);
stack(stack&& s);
stack& operator=(stack&& s);
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(stack&& c, const Alloc& a);
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 <class... Args> void emplace(Args&&... args);
void pop();
void swap(stack& c);
};
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, class Container>
void swap(stack<T, Container>& x, stack<T, Container>& y);
} // std
*/
#include <__config>
#include <deque>
#pragma GCC system_header
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp, class _Container> class stack;
template <class _Tp, class _Container>
bool
operator==(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y);
template <class _Tp, class _Container>
bool
operator< (const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y);
template <class _Tp, class _Container = deque<_Tp> >
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() : c() {}
explicit stack(const container_type& __c) : c(__c) {}
#ifdef _LIBCPP_MOVE
explicit stack(container_type&& __c) : c(_STD::move(__c)) {}
stack(stack&& __s) : c(_STD::move(__s.c)) {}
stack& operator=(stack&& __s) {c = _STD::move(__s.c); return *this;}
#endif
template <class _Alloc>
explicit stack(const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(__a) {}
template <class _Alloc>
stack(const container_type& __c, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(__c, __a) {}
template <class _Alloc>
stack(const stack& __s, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(__s.c, __a) {}
#ifdef _LIBCPP_MOVE
template <class _Alloc>
stack(container_type&& __c, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(_STD::move(__c), __a) {}
template <class _Alloc>
stack(stack&& __s, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(_STD::move(__s.c), __a) {}
#endif
bool empty() const {return c.empty();}
size_type size() const {return c.size();}
reference top() {return c.back();}
const_reference top() const {return c.back();}
void push(const value_type& __v) {c.push_back(__v);}
#ifdef _LIBCPP_MOVE
void push(value_type&& __v) {c.push_back(_STD::move(__v));}
template <class... _Args> void emplace(_Args&&... __args)
{c.emplace_back(_STD::forward<_Args>(__args)...);}
#endif
void pop() {c.pop_back();}
void swap(stack& __s)
{
using _STD::swap;
swap(c, __s.c);
}
template <class T1, class _C1>
friend
bool
operator==(const stack<T1, _C1>& __x, const stack<T1, _C1>& __y);
template <class T1, class _C1>
friend
bool
operator< (const stack<T1, _C1>& __x, const stack<T1, _C1>& __y);
};
template <class _Tp, class _Container>
inline
bool
operator==(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
{
return __x.c == __y.c;
}
template <class _Tp, class _Container>
inline
bool
operator< (const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
{
return __x.c < __y.c;
}
template <class _Tp, class _Container>
inline
bool
operator!=(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
{
return !(__x == __y);
}
template <class _Tp, class _Container>
inline
bool
operator> (const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
{
return __y < __x;
}
template <class _Tp, class _Container>
inline
bool
operator>=(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
{
return !(__x < __y);
}
template <class _Tp, class _Container>
inline
bool
operator<=(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
{
return !(__y < __x);
}
template <class _Tp, class _Container>
inline
void
swap(stack<_Tp, _Container>& __x, stack<_Tp, _Container>& __y)
{
__x.swap(__y);
}
template <class _Tp, class _Container, class _Alloc>
struct uses_allocator<stack<_Tp, _Container>, _Alloc>
: public uses_allocator<_Container, _Alloc>
{
};
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STACK
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