Imported Upstream version 1.49.0upstream/1.49.0

1 files changed, 118 insertions, 0 deletions

diff --git a/boost/pending/queue.hpp b/boost/pending/queue.hpp
new file mode 100644
index 0000000000..f5f5b6336e
--- /dev/null
+++ b/boost/pending/queue.hpp
@@ -0,0 +1,118 @@
+//  (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 */