text: // (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
  // (C) Copyright 2003-2007 Jonathan Turkanis
  // 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.)
  
  // See http://www.boost.org/libs/iostreams for documentation.
  
  #ifndef BOOST_IOSTREAMS_DETAIL_OUTPUT_ITERATOR_ADAPTER_HPP_INCLUDED
  #define BOOST_IOSTREAMS_DETAIL_OUTPUT_ITERATOR_ADAPTER_HPP_INCLUDED
  
  #if defined(_MSC_VER)
  # pragma once
  #endif              
  
  #include <algorithm>                      // copy.
  #include <iosfwd>                         // streamsize.
  #include <boost/iostreams/categories.hpp> // tags.
  #include <boost/static_assert.hpp>
  #include <boost/type_traits/is_convertible.hpp>
  
  namespace boost { namespace iostreams { namespace detail {
  
  template<typename Mode, typename Ch, typename OutIt>
  class output_iterator_adapter {
  public:
      BOOST_STATIC_ASSERT((is_convertible<Mode, output>::value));
      typedef Ch        char_type;
      typedef sink_tag  category;
      explicit output_iterator_adapter(OutIt out) : out_(out) { }
      std::streamsize write(const char_type* s, std::streamsize n) 
      { 
          std::copy(s, s + n, out_); 
          return n; 
      }
  private:
      OutIt out_;
  };
  
  } } } // End namespaces detail, iostreams, boost.
  
  #endif // #ifndef BOOST_IOSTREAMS_DETAIL_OUTPUT_ITERATOR_ADAPTER_HPP_INCLUDED //-----//
  