mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-12 01:12:12 +00:00
119 lines
3.0 KiB
C++
119 lines
3.0 KiB
C++
// (C) Copyright Jeremy Siek 2004
|
|
// Distributed under the Boost Software License, Version 1.0. (See
|
|
// accompanying file LICENSE_1_0.txt or copy at
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
#ifndef BOOST_QUEUE_HPP
|
|
#define BOOST_QUEUE_HPP
|
|
|
|
#include <deque>
|
|
#include <algorithm>
|
|
|
|
namespace boost {
|
|
|
|
template <class _Tp,
|
|
class _Sequence = std::deque<_Tp> >
|
|
class queue;
|
|
|
|
template <class _Tp, class _Seq>
|
|
inline bool operator==(const queue<_Tp, _Seq>&, const queue<_Tp, _Seq>&);
|
|
|
|
template <class _Tp, class _Seq>
|
|
inline bool operator<(const queue<_Tp, _Seq>&, const queue<_Tp, _Seq>&);
|
|
|
|
|
|
template <class _Tp, class _Sequence>
|
|
class queue {
|
|
|
|
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
|
|
template <class _Tp1, class _Seq1>
|
|
friend bool operator== (const queue<_Tp1, _Seq1>&,
|
|
const queue<_Tp1, _Seq1>&);
|
|
template <class _Tp1, class _Seq1>
|
|
friend bool operator< (const queue<_Tp1, _Seq1>&,
|
|
const queue<_Tp1, _Seq1>&);
|
|
#endif
|
|
public:
|
|
typedef typename _Sequence::value_type value_type;
|
|
typedef typename _Sequence::size_type size_type;
|
|
typedef _Sequence container_type;
|
|
|
|
typedef typename _Sequence::reference reference;
|
|
typedef typename _Sequence::const_reference const_reference;
|
|
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
|
|
protected:
|
|
#endif
|
|
_Sequence c;
|
|
public:
|
|
queue() : c() {}
|
|
explicit queue(const _Sequence& __c) : c(__c) {}
|
|
|
|
bool empty() const { return c.empty(); }
|
|
size_type size() const { return c.size(); }
|
|
reference front() { return c.front(); }
|
|
const_reference front() const { return c.front(); }
|
|
reference top() { return c.front(); }
|
|
const_reference top() const { return c.front(); }
|
|
reference back() { return c.back(); }
|
|
const_reference back() const { return c.back(); }
|
|
void push(const value_type& __x) { c.push_back(__x); }
|
|
void pop() { c.pop_front(); }
|
|
|
|
void swap(queue& other)
|
|
{
|
|
using std::swap;
|
|
swap(c, other.c);
|
|
}
|
|
};
|
|
|
|
template <class _Tp, class _Sequence>
|
|
bool
|
|
operator==(const queue<_Tp, _Sequence>& __x, const queue<_Tp, _Sequence>& __y)
|
|
{
|
|
return __x.c == __y.c;
|
|
}
|
|
|
|
template <class _Tp, class _Sequence>
|
|
bool
|
|
operator<(const queue<_Tp, _Sequence>& __x, const queue<_Tp, _Sequence>& __y)
|
|
{
|
|
return __x.c < __y.c;
|
|
}
|
|
|
|
template <class _Tp, class _Sequence>
|
|
bool
|
|
operator!=(const queue<_Tp, _Sequence>& __x, const queue<_Tp, _Sequence>& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template <class _Tp, class _Sequence>
|
|
bool
|
|
operator>(const queue<_Tp, _Sequence>& __x, const queue<_Tp, _Sequence>& __y)
|
|
{
|
|
return __y < __x;
|
|
}
|
|
|
|
template <class _Tp, class _Sequence>
|
|
bool
|
|
operator<=(const queue<_Tp, _Sequence>& __x, const queue<_Tp, _Sequence>& __y)
|
|
{
|
|
return !(__y < __x);
|
|
}
|
|
|
|
template <class _Tp, class _Sequence>
|
|
bool
|
|
operator>=(const queue<_Tp, _Sequence>& __x, const queue<_Tp, _Sequence>& __y)
|
|
{
|
|
return !(__x < __y);
|
|
}
|
|
|
|
template <class _Tp, class _Sequence>
|
|
inline void
|
|
swap(queue<_Tp, _Sequence>& __x, queue<_Tp, _Sequence>& __y)
|
|
{ __x.swap(__y); }
|
|
|
|
} /* namespace boost */
|
|
|
|
#endif /* BOOST_QUEUE_HPP */
|