1.1 --- a/epoc32/include/stdapis/boost/next_prior.hpp Tue Mar 16 16:12:26 2010 +0000
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,51 +0,0 @@
1.4 -// Boost next_prior.hpp header file ---------------------------------------//
1.5 -
1.6 -// (C) Copyright Dave Abrahams and Daniel Walker 1999-2003. Distributed under the Boost
1.7 -// Software License, Version 1.0. (See accompanying file
1.8 -// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
1.9 -
1.10 -// See http://www.boost.org/libs/utility for documentation.
1.11 -
1.12 -// Revision History
1.13 -// 13 Dec 2003 Added next(x, n) and prior(x, n) (Daniel Walker)
1.14 -
1.15 -#ifndef BOOST_NEXT_PRIOR_HPP_INCLUDED
1.16 -#define BOOST_NEXT_PRIOR_HPP_INCLUDED
1.17 -
1.18 -#include <iterator>
1.19 -
1.20 -namespace boost {
1.21 -
1.22 -// Helper functions for classes like bidirectional iterators not supporting
1.23 -// operator+ and operator-
1.24 -//
1.25 -// Usage:
1.26 -// const std::list<T>::iterator p = get_some_iterator();
1.27 -// const std::list<T>::iterator prev = boost::prior(p);
1.28 -// const std::list<T>::iterator next = boost::next(prev, 2);
1.29 -
1.30 -// Contributed by Dave Abrahams
1.31 -
1.32 -template <class T>
1.33 -inline T next(T x) { return ++x; }
1.34 -
1.35 -template <class T, class Distance>
1.36 -inline T next(T x, Distance n)
1.37 -{
1.38 - std::advance(x, n);
1.39 - return x;
1.40 -}
1.41 -
1.42 -template <class T>
1.43 -inline T prior(T x) { return --x; }
1.44 -
1.45 -template <class T, class Distance>
1.46 -inline T prior(T x, Distance n)
1.47 -{
1.48 - std::advance(x, -n);
1.49 - return x;
1.50 -}
1.51 -
1.52 -} // namespace boost
1.53 -
1.54 -#endif // BOOST_NEXT_PRIOR_HPP_INCLUDED