1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/ossrv_pub/boost_apis/boost/last_value.hpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,48 @@
     1.4 +// last_value function object (documented as part of Boost.Signals)
     1.5 +
     1.6 +// Copyright Douglas Gregor 2001-2003. Use, modification and
     1.7 +// distribution is subject to the Boost Software License, Version
     1.8 +// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
     1.9 +// http://www.boost.org/LICENSE_1_0.txt)
    1.10 +
    1.11 +// For more information, see http://www.boost.org/libs/signals
    1.12 +
    1.13 +#ifndef BOOST_LAST_VALUE_HPP
    1.14 +#define BOOST_LAST_VALUE_HPP
    1.15 +
    1.16 +#include <cassert>
    1.17 +
    1.18 +namespace boost {
    1.19 +  template<typename T>
    1.20 +  struct last_value {
    1.21 +    typedef T result_type;
    1.22 +
    1.23 +    template<typename InputIterator>
    1.24 +    T operator()(InputIterator first, InputIterator last) const
    1.25 +    {
    1.26 +      assert(first != last);
    1.27 +      T value = *first++;
    1.28 +      while (first != last)
    1.29 +        value = *first++;
    1.30 +      return value;
    1.31 +    }
    1.32 +  };
    1.33 +
    1.34 +  template<>
    1.35 +  struct last_value<void> {
    1.36 +    struct unusable {};
    1.37 +
    1.38 +  public:
    1.39 +    typedef unusable result_type;
    1.40 +
    1.41 +    template<typename InputIterator>
    1.42 +    result_type
    1.43 +    operator()(InputIterator first, InputIterator last) const
    1.44 +    {
    1.45 +      while (first != last)
    1.46 +        *first++;
    1.47 +      return result_type();
    1.48 +    }
    1.49 +  };
    1.50 +}
    1.51 +#endif // BOOST_SIGNALS_LAST_VALUE_HPP