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/usr/include/boost/detail

Name	Size	Mode	Actions
winapi/	-	0755	rm
algorithm.hpp	2898	0644	edit dl rm
allocator_utilities.hpp	4790	0644	edit dl rm
atomic_count.hpp	618	0644	edit dl rm
basic_pointerbuf.hpp	4469	0644	edit dl rm
binary_search.hpp	6239	0644	edit dl rm
bitmask.hpp	3033	0644	edit dl rm
call_traits.hpp	4324	0644	edit dl rm
catch_exceptions.hpp	5677	0644	edit dl rm
compressed_pair.hpp	17002	0644	edit dl rm
container_fwd.hpp	5160	0644	edit dl rm
fenv.hpp	3206	0644	edit dl rm
has_default_constructor.hpp	935	0644	edit dl rm
identifier.hpp	3178	0644	edit dl rm
indirect_traits.hpp	4423	0644	edit dl rm
interlocked.hpp	14258	0644	edit dl rm
is_incrementable.hpp	3071	0644	edit dl rm
is_sorted.hpp	1432	0644	edit dl rm
is_xxx.hpp	1250	0644	edit dl rm
iterator.hpp	1146	0644	edit dl rm
lcast_precision.hpp	6089	0644	edit dl rm
lightweight_main.hpp	1226	0644	edit dl rm
lightweight_mutex.hpp	630	0644	edit dl rm
lightweight_test.hpp	436	0644	edit dl rm
lightweight_test_report.hpp	2223	0644	edit dl rm
lightweight_thread.hpp	811	0644	edit dl rm
named_template_params.hpp	6124	0644	edit dl rm
no_exceptions_support.hpp	570	0644	edit dl rm
numeric_traits.hpp	5490	0644	edit dl rm
ob_compressed_pair.hpp	16399	0644	edit dl rm
quick_allocator.hpp	606	0644	edit dl rm
reference_content.hpp	2443	0644	edit dl rm
scoped_enum_emulation.hpp	541	0644	edit dl rm
select_type.hpp	1130	0644	edit dl rm
sp_typeinfo.hpp	857	0644	edit dl rm
templated_streams.hpp	2242	0644	edit dl rm
utf8_codecvt_facet.hpp	7745	0644	edit dl rm
utf8_codecvt_facet.ipp	9578	0644	edit dl rm
workaround.hpp	335	0644	edit dl rm

Edit: /usr/include/boost/detail/identifier.hpp (3178B)

//  boost/identifier.hpp  ----------------------------------------------------//

//  Copyright Beman Dawes 2006

//  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 documentation at http://www.boost.org/libs/utility

#ifndef BOOST_IDENTIFIER_HPP
#define BOOST_IDENTIFIER_HPP

#include <boost/utility/enable_if.hpp>
#include <boost/type_traits/is_base_of.hpp>
#include <iosfwd>

namespace boost
{
  namespace detail
  {
    //  class template identifier  ---------------------------------------------//

//  Always used as a base class so that different instantiations result in
    //  different class types even if instantiated with the same value type T.

//  Expected usage is that T is often an integer type, best passed by
    //  value. There is no reason why T can't be a possibly larger class such as
    //  std::string, best passed by const reference.

//  This implementation uses pass by value, based on expected common uses.

template <typename T, typename D>
    class identifier
    {
    public:
      typedef T value_type;

const value_type value() const           { return m_value; }
      void  assign( value_type v )             { m_value = v; }

bool operator==( const D & rhs ) const   { return m_value == rhs.m_value; }
      bool operator!=( const D & rhs ) const   { return m_value != rhs.m_value; }
      bool operator< ( const D & rhs ) const   { return m_value <  rhs.m_value; }
      bool operator<=( const D & rhs ) const   { return m_value <= rhs.m_value; }
      bool operator> ( const D & rhs ) const   { return m_value >  rhs.m_value; }
      bool operator>=( const D & rhs ) const   { return m_value >= rhs.m_value; }

typedef void (*unspecified_bool_type)(D); // without the D, unspecified_bool_type 
      static void unspecified_bool_true(D){}    // conversion allows relational operators
                                                // between different identifier types

operator unspecified_bool_type() const   { return m_value == value_type() ? 0 : unspecified_bool_true; }
      bool operator!() const                   { return m_value == value_type(); }

// constructors are protected so that class can only be used as a base class
    protected:
      identifier()                             {}
      explicit identifier( value_type v )      : m_value(v) {}

private:
      T m_value;
    };

//#ifndef BOOST_NO_SFINAE

//  template <class Ostream, class Id>
  //    typename enable_if< is_base_of< identifier< typename Id::value_type, Id >, Id >, 
  //      Ostream & >::type operator<<( Ostream & os, const Id & id )
  //  {
  //    return os << id.value();
  //  }

//  template <class Istream, class Id>
  //    typename enable_if< is_base_of< identifier< typename Id::value_type, Id >, Id >, 
  //      Istream & >::type operator>>( Istream & is, Id & id )
  //  {
  //    typename Id::value_type v;
  //    is >> v;
  //    id.value( v );
  //    return is;
  //  }
  //#endif

} // namespace detail
} // namespace boost

#endif // BOOST_IDENTIFIER_HPP

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