diff --git a/ndnboost/function_types/detail/pp_arity_loop.hpp b/ndnboost/function_types/detail/pp_arity_loop.hpp
new file mode 100644
index 0000000..37989e9
--- /dev/null
+++ b/ndnboost/function_types/detail/pp_arity_loop.hpp
@@ -0,0 +1,149 @@
+
+// (C) Copyright Tobias Schwinger
+//
+// Use modification and distribution are subject to the boost Software License,
+// Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt).
+
+//------------------------------------------------------------------------------
+
+// no include guards, this file is intended for multiple inclusion
+
+#ifndef BOOST_FT_PREPROCESSING_MODE
+// input:  BOOST_FT_mfp        0 or 1 <=> member function pointer?
+// input:  BOOST_FT_type_name  BOOST_FT_type --> "R (* ..._type_name)()" (pass2)
+#endif
+// input:  BOOST_FT_syntax     type macro to use
+// input:  BOOST_FT_cc         empty or cc specifier 
+// input:  BOOST_FT_ell        empty or "..."
+// input:  BOOST_FT_cv         empty or cv qualifiers
+// input:  BOOST_FT_flags      single decimal integer encoding the flags
+// output: BOOST_FT_n          number of component types (arity+1)
+// output: BOOST_FT_arity      current arity
+// output: BOOST_FT_type       macro that expands to the type
+// output: BOOST_FT_tplargs(p) template arguments with given prefix
+// output: BOOST_FT_params(p)  parameters with given prefix
+
+#ifdef __WAVE__
+#   pragma wave option(preserve: 0)
+#endif
+
+#ifndef BOOST_FT_ARITY_LOOP_IS_ITERATING
+
+#   define BOOST_FT_AL_PREPROCESSED \
+        BOOST_FT_AL_FILE(BOOST_FT_al_path,BOOST_FT_FROM_ARITY,BOOST_FT_mfp)
+
+#   define BOOST_FT_AL_FILE(base_path,max_arity,mfp) \
+        BOOST_FT_AL_FILE_I(base_path,max_arity,mfp)
+#   define BOOST_FT_AL_FILE_I(base_path,max_arity,mfp) \
+        <base_path/arity ## max_arity ## _ ## mfp.hpp>
+
+#   if !defined(BOOST_FT_PREPROCESSING_MODE)
+
+#     if BOOST_FT_MAX_ARITY < 10
+#       define BOOST_FT_FROM_ARITY 0 
+#     elif BOOST_FT_MAX_ARITY < 20
+#       define BOOST_FT_FROM_ARITY 10
+#     elif BOOST_FT_MAX_ARITY < 30
+#       define BOOST_FT_FROM_ARITY 20
+#     elif BOOST_FT_MAX_ARITY < 40
+#       define BOOST_FT_FROM_ARITY 30
+#     endif
+
+#     if BOOST_FT_FROM_ARITY
+#       include BOOST_FT_AL_PREPROCESSED
+#     endif
+
+#   elif !defined(BOOST_FT_FROM_ARITY) // single pass preprocessing
+#     define BOOST_FT_FROM_ARITY 0
+
+#   elif BOOST_FT_FROM_ARITY > 0       // arity20 includes arity10
+BOOST_PP_EXPAND(#) include BOOST_FT_AL_PREPROCESSED
+#   endif
+
+#   undef BOOST_FT_AL_PREPROCESSED
+
+#   undef BOOST_FT_AL_FILE
+#   undef BOOST_FT_AL_FILE_I
+
+#   if BOOST_FT_MAX_ARITY > BOOST_FT_FROM_ARITY
+
+#     ifndef BOOST_FT_DETAIL_ARITY_LOOP_HPP_INCLUDED
+#     define BOOST_FT_DETAIL_ARITY_LOOP_HPP_INCLUDED
+#         include <ndnboost/preprocessor/cat.hpp>
+#         include <ndnboost/preprocessor/tuple/eat.hpp>
+#         include <ndnboost/preprocessor/control/if.hpp>
+#         include <ndnboost/preprocessor/arithmetic/inc.hpp>
+#         include <ndnboost/preprocessor/facilities/empty.hpp>
+#         include <ndnboost/preprocessor/facilities/expand.hpp>
+#         include <ndnboost/preprocessor/iteration/iterate.hpp>
+#         include <ndnboost/preprocessor/repetition/enum_params.hpp>
+#         include <ndnboost/preprocessor/repetition/enum_shifted_params.hpp>
+#         include <ndnboost/preprocessor/repetition/enum_trailing_params.hpp>
+#     endif
+
+#     define BOOST_FT_AL_INCLUDE_FILE <BOOST_FT_al_path/master.hpp>
+
+#     define BOOST_FT_ARITY_LOOP_PREFIX 1
+#     include BOOST_FT_AL_INCLUDE_FILE
+#     undef  BOOST_FT_ARITY_LOOP_PREFIX
+
+#     if !BOOST_PP_IS_ITERATING
+#       define BOOST_PP_FILENAME_1 BOOST_FT_AL_INCLUDE_FILE
+#     elif BOOST_PP_ITERATION_DEPTH() == 1
+#       define BOOST_PP_FILENAME_2 BOOST_FT_AL_INCLUDE_FILE
+#     else
+#       error "loops nested too deeply"
+#     endif
+
+#     define BOOST_FT_arity BOOST_PP_ITERATION()
+#     define BOOST_FT_n     BOOST_PP_INC(BOOST_FT_arity)
+
+#     define BOOST_FT_type \
+          BOOST_FT_syntax(BOOST_FT_cc,BOOST_FT_type_name BOOST_PP_EMPTY)\
+               (BOOST_FT_params(BOOST_PP_EMPTY) BOOST_FT_ell) BOOST_FT_cv
+
+#     define BOOST_FT_tplargs(prefx) \
+          prefx() R BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_FT_arity,prefx() T)
+
+#     if !BOOST_FT_mfp
+
+#       define BOOST_FT_params(prefx) \
+            BOOST_PP_IF(BOOST_FT_arity,BOOST_PP_ENUM_PARAMS, \
+                BOOST_FT_nullary_param BOOST_PP_TUPLE_EAT(2))( \
+                    BOOST_FT_arity,prefx() T) 
+#     else
+
+#       define BOOST_FT_params(prefx) \
+            BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_FT_arity,prefx() T)
+
+#     endif
+
+#     if !BOOST_FT_FROM_ARITY 
+#       define BOOST_PP_ITERATION_LIMITS (BOOST_FT_mfp, BOOST_FT_MAX_ARITY)
+#     else
+#       define BOOST_PP_ITERATION_LIMITS \
+            (BOOST_FT_FROM_ARITY+1, BOOST_FT_MAX_ARITY)
+#     endif
+
+#     define BOOST_FT_ARITY_LOOP_IS_ITERATING 1
+#     include BOOST_PP_ITERATE()
+#     undef  BOOST_FT_ARITY_LOOP_IS_ITERATING
+
+#     undef BOOST_FT_arity
+#     undef BOOST_FT_params
+#     undef BOOST_FT_tplargs
+#     undef BOOST_FT_type
+
+#     define BOOST_FT_ARITY_LOOP_SUFFIX 1
+#     include BOOST_FT_AL_INCLUDE_FILE
+#     undef  BOOST_FT_ARITY_LOOP_SUFFIX
+
+#     undef BOOST_FT_AL_INCLUDE_FILE
+#   endif
+
+#   undef BOOST_FT_FROM_ARITY
+
+#else
+#   error "attempt to nest arity loops"
+#endif
+