1.16.1 initial CVS checkin

[SVN r7620]

include/boost/utility.hpp

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+//  boost utility.hpp header file  -------------------------------------------//
+
+//  (C) Copyright boost.org 1999. Permission to copy, use, modify, sell
+//  and distribute this software is granted provided this copyright
+//  notice appears in all copies. This software is provided "as is" without
+//  express or implied warranty, and with no claim as to its suitability for
+//  any purpose.
+
+//  See http://www.boost.org for most recent version including documentation.
+
+//  Classes appear in alphabetical order
+
+//  Revision History
+//  26 Jan 00  protected noncopyable destructor added (Miki Jovanovic)
+//  10 Dec 99  next() and prior() templates added (Dave Abrahams)
+//  30 Aug 99  moved cast templates to cast.hpp (Beman Dawes)
+//   3 Aug 99  cast templates added
+//  20 Jul 99  name changed to utility.hpp 
+//   9 Jun 99  protected noncopyable default ctor
+//   2 Jun 99  Initial Version. Class noncopyable only contents (Dave Abrahams)
+
+#ifndef BOOST_UTILITY_HPP
+#define BOOST_UTILITY_HPP
+
+#include <boost/config.hpp>
+#include <cstddef>            // for size_t
+
+namespace boost
+{
+
+//  next() and prior() template functions  -----------------------------------//
+
+    //  Helper functions for classes like bidirectional iterators not supporting
+    //  operator+ and operator-.
+    //
+    //  Usage:
+    //    const std::list<T>::iterator p = get_some_iterator();
+    //    const std::list<T>::iterator prev = boost::prior(p);
+
+    //  Contributed by Dave Abrahams
+
+    template <class T>
+    T next(T x) { return ++x; }
+
+    template <class T>
+    T prior(T x) { return --x; }
+
+
+//  class noncopyable  -------------------------------------------------------//
+
+    //  Private copy constructor and copy assignment ensure classes derived from
+    //  class noncopyable cannot be copied.
+
+    //  Contributed by Dave Abrahams
+
+    class noncopyable
+    {
+    protected:
+        noncopyable(){}
+        ~noncopyable(){}
+    private:  // emphasize the following members are private
+        noncopyable( const noncopyable& );
+        const noncopyable& operator=( const noncopyable& );
+    }; // noncopyable
+
+} // namespace boost
+
+#endif  // BOOST_UTILITY_HPP
+