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