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- // (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 */
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