diff --git a/ndnboost/function_types/detail/classifier_impl/arity10_0.hpp b/ndnboost/function_types/detail/classifier_impl/arity10_0.hpp
new file mode 100644
index 0000000..e27f3c2
--- /dev/null
+++ b/ndnboost/function_types/detail/classifier_impl/arity10_0.hpp
@@ -0,0 +1,55 @@
+
+// (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
+
+// 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
+
+template< typename R >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,0> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (BOOST_FT_nullary_param BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,1> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,2> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,3> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,4> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,5> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,6> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,7> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,8> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,9> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,10> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 BOOST_FT_ell) BOOST_FT_cv);
+
diff --git a/ndnboost/function_types/detail/classifier_impl/arity10_1.hpp b/ndnboost/function_types/detail/classifier_impl/arity10_1.hpp
new file mode 100644
index 0000000..cca8027
--- /dev/null
+++ b/ndnboost/function_types/detail/classifier_impl/arity10_1.hpp
@@ -0,0 +1,52 @@
+
+// (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
+
+// 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
+
+template< typename R , typename T0 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,1> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) ( BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,2> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,3> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,4> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,5> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,6> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,7> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,8> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,9> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,10> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 BOOST_FT_ell) BOOST_FT_cv);
+
diff --git a/ndnboost/function_types/detail/classifier_impl/arity20_0.hpp b/ndnboost/function_types/detail/classifier_impl/arity20_0.hpp
new file mode 100644
index 0000000..ec05bbd
--- /dev/null
+++ b/ndnboost/function_types/detail/classifier_impl/arity20_0.hpp
@@ -0,0 +1,53 @@
+
+// (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
+
+// 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
+
+# include <ndnboost/function_types/detail/classifier_impl/arity10_0.hpp>
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,11> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,12> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,13> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,14> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,15> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,16> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,17> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,18> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,19> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,20> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 BOOST_FT_ell) BOOST_FT_cv);
+
diff --git a/ndnboost/function_types/detail/classifier_impl/arity20_1.hpp b/ndnboost/function_types/detail/classifier_impl/arity20_1.hpp
new file mode 100644
index 0000000..b871d27
--- /dev/null
+++ b/ndnboost/function_types/detail/classifier_impl/arity20_1.hpp
@@ -0,0 +1,53 @@
+
+// (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
+
+// 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
+
+# include <ndnboost/function_types/detail/classifier_impl/arity10_1.hpp>
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,11> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,12> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,13> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,14> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,15> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,16> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,17> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,18> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,19> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,20> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 BOOST_FT_ell) BOOST_FT_cv);
+
diff --git a/ndnboost/function_types/detail/classifier_impl/arity30_0.hpp b/ndnboost/function_types/detail/classifier_impl/arity30_0.hpp
new file mode 100644
index 0000000..b4a4fb3
--- /dev/null
+++ b/ndnboost/function_types/detail/classifier_impl/arity30_0.hpp
@@ -0,0 +1,53 @@
+
+// (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
+
+// 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
+
+# include <ndnboost/function_types/detail/classifier_impl/arity20_0.hpp>
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,21> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,22> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,23> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,24> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,25> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,26> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,27> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,28> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,29> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,30> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 BOOST_FT_ell) BOOST_FT_cv);
+
diff --git a/ndnboost/function_types/detail/classifier_impl/arity30_1.hpp b/ndnboost/function_types/detail/classifier_impl/arity30_1.hpp
new file mode 100644
index 0000000..4d1cd6f
--- /dev/null
+++ b/ndnboost/function_types/detail/classifier_impl/arity30_1.hpp
@@ -0,0 +1,53 @@
+
+// (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
+
+// 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
+
+# include <ndnboost/function_types/detail/classifier_impl/arity20_1.hpp>
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,21> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,22> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,23> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,24> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,25> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,26> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,27> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,28> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,29> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,30> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 BOOST_FT_ell) BOOST_FT_cv);
+
diff --git a/ndnboost/function_types/detail/classifier_impl/arity40_0.hpp b/ndnboost/function_types/detail/classifier_impl/arity40_0.hpp
new file mode 100644
index 0000000..773d84b
--- /dev/null
+++ b/ndnboost/function_types/detail/classifier_impl/arity40_0.hpp
@@ -0,0 +1,53 @@
+
+// (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
+
+// 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
+
+# include <ndnboost/function_types/detail/classifier_impl/arity30_0.hpp>
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,31> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,32> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,33> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,34> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,35> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,36> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,37> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,38> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,39> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,40> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 BOOST_FT_ell) BOOST_FT_cv);
+
diff --git a/ndnboost/function_types/detail/classifier_impl/arity40_1.hpp b/ndnboost/function_types/detail/classifier_impl/arity40_1.hpp
new file mode 100644
index 0000000..29dabd0
--- /dev/null
+++ b/ndnboost/function_types/detail/classifier_impl/arity40_1.hpp
@@ -0,0 +1,53 @@
+
+// (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
+
+// 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
+
+# include <ndnboost/function_types/detail/classifier_impl/arity30_1.hpp>
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,31> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,32> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,33> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,34> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,35> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,36> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,37> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,38> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,39> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,40> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 BOOST_FT_ell) BOOST_FT_cv);
+
diff --git a/ndnboost/function_types/detail/classifier_impl/arity50_0.hpp b/ndnboost/function_types/detail/classifier_impl/arity50_0.hpp
new file mode 100644
index 0000000..712f66c
--- /dev/null
+++ b/ndnboost/function_types/detail/classifier_impl/arity50_0.hpp
@@ -0,0 +1,53 @@
+
+// (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
+
+// 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
+
+# include <ndnboost/function_types/detail/classifier_impl/arity40_0.hpp>
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,41> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,42> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,43> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,44> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 , typename T44 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,45> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 , T44 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 , typename T44 , typename T45 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,46> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 , T44 , T45 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 , typename T44 , typename T45 , typename T46 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,47> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 , T44 , T45 , T46 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 , typename T44 , typename T45 , typename T46 , typename T47 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,48> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 , T44 , T45 , T46 , T47 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 , typename T44 , typename T45 , typename T46 , typename T47 , typename T48 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,49> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 , T44 , T45 , T46 , T47 , T48 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 , typename T44 , typename T45 , typename T46 , typename T47 , typename T48 , typename T49 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,50> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 , T44 , T45 , T46 , T47 , T48 , T49 BOOST_FT_ell) BOOST_FT_cv);
+
diff --git a/ndnboost/function_types/detail/classifier_impl/arity50_1.hpp b/ndnboost/function_types/detail/classifier_impl/arity50_1.hpp
new file mode 100644
index 0000000..bb710a5
--- /dev/null
+++ b/ndnboost/function_types/detail/classifier_impl/arity50_1.hpp
@@ -0,0 +1,52 @@
+
+// (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
+
+// 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
+
+# include <ndnboost/function_types/detail/classifier_impl/arity40_1.hpp>
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,41> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,42> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,43> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,44> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 , typename T44 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,45> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 , T44 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 , typename T44 , typename T45 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,46> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 , T44 , T45 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 , typename T44 , typename T45 , typename T46 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,47> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 , T44 , T45 , T46 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 , typename T44 , typename T45 , typename T46 , typename T47 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,48> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 , T44 , T45 , T46 , T47 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 , typename T44 , typename T45 , typename T46 , typename T47 , typename T48 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,49> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 , T44 , T45 , T46 , T47 , T48 BOOST_FT_ell) BOOST_FT_cv);
+template< typename R , typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29 , typename T30 , typename T31 , typename T32 , typename T33 , typename T34 , typename T35 , typename T36 , typename T37 , typename T38 , typename T39 , typename T40 , typename T41 , typename T42 , typename T43 , typename T44 , typename T45 , typename T46 , typename T47 , typename T48 , typename T49 >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,50> ::type
+classifier_impl(BOOST_FT_syntax(BOOST_FT_cc, BOOST_PP_EMPTY) (T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19 , T20 , T21 , T22 , T23 , T24 , T25 , T26 , T27 , T28 , T29 , T30 , T31 , T32 , T33 , T34 , T35 , T36 , T37 , T38 , T39 , T40 , T41 , T42 , T43 , T44 , T45 , T46 , T47 , T48 , T49 BOOST_FT_ell) BOOST_FT_cv);
diff --git a/ndnboost/function_types/detail/classifier_impl/master.hpp b/ndnboost/function_types/detail/classifier_impl/master.hpp
new file mode 100644
index 0000000..0ddacf6
--- /dev/null
+++ b/ndnboost/function_types/detail/classifier_impl/master.hpp
@@ -0,0 +1,33 @@
+
+// (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
+
+#if BOOST_FT_ARITY_LOOP_PREFIX
+
+#   ifndef BOOST_FT_DETAIL_CLASSIFIER_IMPL_MASTER_HPP_INCLUDED
+#   define BOOST_FT_DETAIL_CLASSIFIER_IMPL_MASTER_HPP_INCLUDED
+#     include <ndnboost/preprocessor/facilities/identity.hpp>
+#   endif
+
+#   define BOOST_FT_type_name
+
+#elif BOOST_FT_ARITY_LOOP_IS_ITERATING
+
+template< BOOST_FT_tplargs(BOOST_PP_IDENTITY(typename)) >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,BOOST_FT_arity>::type
+classifier_impl(BOOST_FT_type);
+
+#elif BOOST_FT_ARITY_LOOP_SUFFIX
+
+#   undef BOOST_FT_type_name
+
+#else
+#   error "attempt to use arity loop master file without loop"
+#endif
+