diff --git a/ndnboost/test/utils/named_params.hpp b/ndnboost/test/utils/named_params.hpp
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+//  (C) Copyright Gennadiy Rozental 2005-2008.
+//  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/test for the library home page.
+//
+//  File        : $RCSfile$
+//
+//  Version     : $Revision: 54633 $
+//
+//  Description : facilities for named function parameters support
+// ***************************************************************************
+
+#ifndef BOOST_TEST_NAMED_PARAM_022505GER
+#define BOOST_TEST_NAMED_PARAM_022505GER
+
+// Boost
+#include <ndnboost/config.hpp>
+#include <ndnboost/detail/workaround.hpp>
+
+// Boost.Test
+#include <ndnboost/test/utils/rtti.hpp>
+#include <ndnboost/test/utils/assign_op.hpp>
+
+#include <ndnboost/type_traits/remove_reference.hpp>
+
+#include <ndnboost/test/detail/suppress_warnings.hpp>
+
+//____________________________________________________________________________//
+
+namespace ndnboost {
+
+namespace nfp { // named function parameters
+
+// ************************************************************************** //
+// **************              forward declarations            ************** //
+// ************************************************************************** //
+
+template<typename T, typename unique_id,typename RefType>   struct named_parameter;
+template<typename unique_id,bool required>                  struct keyword;
+
+namespace nfp_detail {
+
+template<typename NP1,typename NP2>        struct named_parameter_combine;
+
+// ************************************************************************** //
+// **************          access_to_invalid_parameter         ************** //
+// ************************************************************************** //
+
+struct access_to_invalid_parameter {};
+
+//____________________________________________________________________________//
+
+inline void 
+report_access_to_invalid_parameter()
+{
+    throw access_to_invalid_parameter();
+}
+
+//____________________________________________________________________________//
+
+// ************************************************************************** //
+// **************                       nil                    ************** //
+// ************************************************************************** //
+
+struct nil {
+    template<typename T>
+#if defined(__GNUC__) || defined(__HP_aCC) || defined(__EDG__) || defined(__SUNPRO_CC)
+    operator T() const
+#else
+    operator T const&() const
+#endif
+    { report_access_to_invalid_parameter(); static T* v = 0; return *v; }
+
+    template<typename T>
+    T any_cast() const
+    { report_access_to_invalid_parameter(); static typename remove_reference<T>::type* v = 0; return *v; }
+
+    template<typename Arg1>
+    nil operator()( Arg1 const& )
+    { report_access_to_invalid_parameter(); return nil(); }
+
+    template<typename Arg1,typename Arg2>
+    nil operator()( Arg1 const&, Arg2 const& )
+    { report_access_to_invalid_parameter(); return nil(); }
+
+    template<typename Arg1,typename Arg2,typename Arg3>
+    nil operator()( Arg1 const&, Arg2 const&, Arg3 const& )
+    { report_access_to_invalid_parameter(); return nil(); }
+
+    // Visitation support
+    template<typename Visitor>
+    void            apply_to( Visitor& V ) const {}
+
+    static nil&     inst() { static nil s_inst; return s_inst; }
+private:
+    nil() {}
+};
+    
+// ************************************************************************** //
+// **************              named_parameter_base            ************** //
+// ************************************************************************** //
+
+template<typename Derived>
+struct named_parameter_base {
+    template<typename NP>
+    named_parameter_combine<NP,Derived>
+    operator,( NP const& np ) const { return named_parameter_combine<NP,Derived>( np, *static_cast<Derived const*>(this) ); }
+};
+
+//____________________________________________________________________________//
+
+// ************************************************************************** //
+// **************             named_parameter_combine          ************** //
+// ************************************************************************** //
+
+template<typename NP, typename Rest = nil>
+struct named_parameter_combine 
+: Rest
+, named_parameter_base<named_parameter_combine<NP,Rest> > {
+    typedef typename NP::ref_type  res_type;
+    typedef named_parameter_combine<NP,Rest> self_type;
+
+    // Constructor
+    named_parameter_combine( NP const& np, Rest const& r )
+    : Rest( r )
+    , m_param( np )
+    {}
+
+    // Access methods
+    res_type    operator[]( keyword<typename NP::id,true> kw ) const    { return m_param[kw]; }
+    res_type    operator[]( keyword<typename NP::id,false> kw ) const   { return m_param[kw]; }
+    using       Rest::operator[];
+
+    bool        has( keyword<typename NP::id,false> kw ) const          { return m_param.has( kw ); }
+    using       Rest::has;
+
+    void        erase( keyword<typename NP::id,false> kw ) const        { m_param.erase( kw ); }
+    using       Rest::erase;
+
+#if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3206)) || \
+    BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x0610))
+    template<typename NP>
+    named_parameter_combine<NP,self_type> operator,( NP const& np ) const
+    { return named_parameter_combine<NP,self_type>( np, *this ); }
+#else
+    using       named_parameter_base<named_parameter_combine<NP,Rest> >::operator,;
+#endif
+
+    // Visitation support
+    template<typename Visitor>
+    void            apply_to( Visitor& V ) const
+    {
+        m_param.apply_to( V );
+
+        Rest::apply_to( V );
+    }
+private:
+    // Data members
+    NP          m_param;
+};
+
+} // namespace nfp_detail
+
+// ************************************************************************** //
+// **************                 named_parameter              ************** //
+// ************************************************************************** //
+
+template<typename T, typename unique_id,typename ReferenceType=T&>
+struct named_parameter
+: nfp_detail::named_parameter_base<named_parameter<T, unique_id,ReferenceType> >
+{
+    typedef nfp_detail::nil nil_t;
+    typedef T               data_type;
+    typedef ReferenceType   ref_type;
+    typedef unique_id       id;
+
+    // Constructor
+    explicit        named_parameter( ref_type v ) 
+    : m_value( v )
+    , m_erased( false )
+    {}
+    named_parameter( named_parameter const& np )
+    : m_value( np.m_value )
+    , m_erased( np.m_erased )
+    {}
+
+    // Access methods
+    ref_type        operator[]( keyword<unique_id,true> ) const     { return m_erased ? nil_t::inst().template any_cast<ref_type>() :  m_value; }
+    ref_type        operator[]( keyword<unique_id,false> ) const    { return m_erased ? nil_t::inst().template any_cast<ref_type>() :  m_value; }
+    template<typename UnknownId>
+    nil_t           operator[]( keyword<UnknownId,false> ) const    { return nil_t::inst(); }
+
+    bool            has( keyword<unique_id,false> ) const           { return !m_erased; }
+    template<typename UnknownId>
+    bool            has( keyword<UnknownId,false> ) const           { return false; }
+
+    void            erase( keyword<unique_id,false> ) const         { m_erased = true; }
+    template<typename UnknownId>
+    void            erase( keyword<UnknownId,false> ) const         {}
+
+    // Visitation support
+    template<typename Visitor>
+    void            apply_to( Visitor& V ) const
+    {
+        V.set_parameter( rtti::type_id<unique_id>(), m_value );
+    }
+
+private:
+    // Data members
+    ref_type        m_value;
+    mutable bool    m_erased;
+};
+
+//____________________________________________________________________________//
+
+// ************************************************************************** //
+// **************                    no_params                 ************** //
+// ************************************************************************** //
+
+namespace nfp_detail {
+typedef named_parameter<char, struct no_params_type_t,char> no_params_type;
+} // namespace nfp_detail
+
+namespace {
+nfp_detail::no_params_type no_params( '\0' );
+} // local namespace
+
+//____________________________________________________________________________//
+
+// ************************************************************************** //
+// **************                     keyword                  ************** //
+// ************************************************************************** //
+
+template<typename unique_id, bool required = false>
+struct keyword {
+    typedef unique_id id;
+
+    template<typename T>
+    named_parameter<T const,unique_id>
+    operator=( T const& t ) const       { return named_parameter<T const,unique_id>( t ); }
+
+    template<typename T>
+    named_parameter<T,unique_id>
+    operator=( T& t ) const   { return named_parameter<T,unique_id>( t ); }
+
+    named_parameter<char const*,unique_id,char const*>
+    operator=( char const* t ) const   { return named_parameter<char const*,unique_id,char const*>( t ); }
+};
+
+//____________________________________________________________________________//
+
+// ************************************************************************** //
+// **************                  typed_keyword               ************** //
+// ************************************************************************** //
+
+template<typename T, typename unique_id, bool required = false>
+struct typed_keyword : keyword<unique_id,required> {
+    named_parameter<T const,unique_id>
+    operator=( T const& t ) const       { return named_parameter<T const,unique_id>( t ); }
+
+    named_parameter<T,unique_id>
+    operator=( T& t ) const             { return named_parameter<T,unique_id>( t ); }
+};
+
+//____________________________________________________________________________//
+
+template<typename unique_id>
+struct typed_keyword<bool,unique_id,false>
+: keyword<unique_id,false>
+, named_parameter<bool,unique_id,bool> {
+    typedef unique_id id;
+
+    typed_keyword() : named_parameter<bool,unique_id,bool>( true ) {}
+
+    named_parameter<bool,unique_id,bool>
+    operator!() const           { return named_parameter<bool,unique_id,bool>( false ); }
+};
+
+//____________________________________________________________________________//
+
+// ************************************************************************** //
+// **************                optionally_assign             ************** //
+// ************************************************************************** //
+
+template<typename T>
+inline void
+optionally_assign( T&, nfp_detail::nil )
+{
+    nfp_detail::report_access_to_invalid_parameter();
+}
+
+//____________________________________________________________________________//
+
+template<typename T, typename Source>
+inline void
+#if BOOST_WORKAROUND( __MWERKS__, BOOST_TESTED_AT( 0x3003 ) ) \
+    || BOOST_WORKAROUND( __DECCXX_VER, BOOST_TESTED_AT(60590042) )
+optionally_assign( T& target, Source src )
+#else
+optionally_assign( T& target, Source const& src )
+#endif
+{
+    using namespace unit_test;
+
+    assign_op( target, src, static_cast<int>(0) );
+}
+
+//____________________________________________________________________________//
+
+template<typename T, typename Params, typename Keyword>
+inline void
+optionally_assign( T& target, Params const& p, Keyword k )
+{
+    if( p.has(k) )
+        optionally_assign( target, p[k] );
+}
+
+//____________________________________________________________________________//
+
+} // namespace nfp
+
+} // namespace ndnboost
+
+#include <ndnboost/test/detail/enable_warnings.hpp>
+
+#endif // BOOST_TEST_NAMED_PARAM_022505GER
+