X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=boost%2Fboost%2Ffunction.hpp;h=5d8bca539defa538a0112e3d163110ae022d2039;hb=5c3d9a254640468e40b2d30467a26222c91d856d;hp=2cf9f0f741159f3f451771132bc40ebcf32c51d5;hpb=69862d12f457dd5dbf509c4d46a0399d4b16cfc7;p=lyx.git

diff --git a/boost/boost/function.hpp b/boost/boost/function.hpp
index 2cf9f0f741..5d8bca539d 100644
--- a/boost/boost/function.hpp
+++ b/boost/boost/function.hpp
@@ -1,6 +1,6 @@
 // Boost.Function library
 
-// Copyright (C) 2001 Doug Gregor (gregod@cs.rpi.edu)
+// Copyright (C) 2001, 2002 Doug Gregor (gregod@cs.rpi.edu)
 //
 // Permission to copy, use, sell and distribute this software is granted
 // provided this copyright notice appears in all copies.
@@ -10,818 +10,61 @@
 //
 // This software is provided "as is" without express or implied warranty,
 // and with no claim as to its suitability for any purpose.
- 
-// For more information, see http://www.boost.org
- 
-// William Kempf, Jesse Jones and Karl Nelson were all very helpful in the
-// design of this library.
-
-#ifndef BOOST_FUNCTION_HPP
-#define BOOST_FUNCTION_HPP
-
-#include <boost/function/function_base.hpp>
-#include <boost/type_traits/function_traits.hpp>
-#include <boost/type_traits/same_traits.hpp>
-#include <boost/type_traits/transform_traits.hpp>
-#include <boost/type_traits/ice.hpp>
-#include <boost/function/function0.hpp>
-#include <boost/function/function1.hpp>
-#include <boost/function/function2.hpp>
-#include <boost/function/function3.hpp>
-#include <boost/function/function4.hpp>
-#include <boost/function/function5.hpp>
-#include <boost/function/function6.hpp>
-#include <boost/function/function7.hpp>
-#include <boost/function/function8.hpp>
-#include <boost/function/function9.hpp>
-#include <boost/function/function10.hpp>
-
-namespace boost {
-  namespace detail {
-    namespace function {
-#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
-      template<typename Signature> 
-      struct function_traits
-      {
-        typedef void result_type;
-        typedef void arg1_type;
-        typedef void arg2_type;
-        typedef void arg3_type;
-        typedef void arg4_type;
-        typedef void arg5_type;
-        typedef void arg6_type;
-        typedef void arg7_type;
-        typedef void arg8_type;
-        typedef void arg9_type;
-        typedef void arg10_type;
-      };
-
-      template<typename R>
-      struct function_traits<R (*)(void)>
-      {
-        typedef R result_type;
-        typedef unusable arg1_type;
-        typedef unusable arg2_type;
-        typedef unusable arg3_type;
-        typedef unusable arg4_type;
-        typedef unusable arg5_type;
-        typedef unusable arg6_type;
-        typedef unusable arg7_type;
-        typedef unusable arg8_type;
-        typedef unusable arg9_type;
-        typedef unusable arg10_type;
-      };
-      
-      template<typename R, typename T1>
-      struct function_traits<R (*)(T1)>
-      {
-        typedef R result_type;
-        typedef T1 arg1_type;
-        typedef unusable arg2_type;
-        typedef unusable arg3_type;
-        typedef unusable arg4_type;
-        typedef unusable arg5_type;
-        typedef unusable arg6_type;
-        typedef unusable arg7_type;
-        typedef unusable arg8_type;
-        typedef unusable arg9_type;
-        typedef unusable arg10_type;
-      };
-      
-      template<typename R, typename T1, typename T2>
-      struct function_traits<R (*)(T1, T2)>
-      {
-        typedef R result_type;
-        typedef T1 arg1_type;
-        typedef T2 arg2_type;
-        typedef unusable arg3_type;
-        typedef unusable arg4_type;
-        typedef unusable arg5_type;
-        typedef unusable arg6_type;
-        typedef unusable arg7_type;
-        typedef unusable arg8_type;
-        typedef unusable arg9_type;
-        typedef unusable arg10_type;
-      };
-
-      template<typename R, typename T1, typename T2, typename T3>
-      struct function_traits<R (*)(T1, T2, T3)>
-      {
-        typedef R result_type;
-        typedef T1 arg1_type;
-        typedef T2 arg2_type;
-        typedef T3 arg3_type;
-        typedef unusable arg4_type;
-        typedef unusable arg5_type;
-        typedef unusable arg6_type;
-        typedef unusable arg7_type;
-        typedef unusable arg8_type;
-        typedef unusable arg9_type;
-        typedef unusable arg10_type;
-      };
-
-      template<typename R, typename T1, typename T2, typename T3, typename T4>
-      struct function_traits<R (*)(T1, T2, T3, T4)>
-      {
-        typedef R result_type;
-        typedef T1 arg1_type;
-        typedef T2 arg2_type;
-        typedef T3 arg3_type;
-        typedef T4 arg4_type;
-        typedef unusable arg5_type;
-        typedef unusable arg6_type;
-        typedef unusable arg7_type;
-        typedef unusable arg8_type;
-        typedef unusable arg9_type;
-        typedef unusable arg10_type;
-      };
-
-      template<typename R, typename T1, typename T2, typename T3, typename T4,
-               typename T5>
-      struct function_traits<R (*)(T1, T2, T3, T4, T5)>
-      {
-        typedef R result_type;
-        typedef T1 arg1_type;
-        typedef T2 arg2_type;
-        typedef T3 arg3_type;
-        typedef T4 arg4_type;
-        typedef T5 arg5_type;
-        typedef unusable arg6_type;
-        typedef unusable arg7_type;
-        typedef unusable arg8_type;
-        typedef unusable arg9_type;
-        typedef unusable arg10_type;
-      };
-
-      template<typename R, typename T1, typename T2, typename T3, typename T4,
-               typename T5, typename T6>
-      struct function_traits<R (*)(T1, T2, T3, T4, T5, T6)>
-      {
-        typedef R result_type;
-        typedef T1 arg1_type;
-        typedef T2 arg2_type;
-        typedef T3 arg3_type;
-        typedef T4 arg4_type;
-        typedef T5 arg5_type;
-        typedef T6 arg6_type;
-        typedef unusable arg7_type;
-        typedef unusable arg8_type;
-        typedef unusable arg9_type;
-        typedef unusable arg10_type;
-      };
-
-      template<typename R, typename T1, typename T2, typename T3, typename T4,
-               typename T5, typename T6, typename T7>
-      struct function_traits<R (*)(T1, T2, T3, T4, T5, T6, T7)>
-      {
-        typedef R result_type;
-        typedef T1 arg1_type;
-        typedef T2 arg2_type;
-        typedef T3 arg3_type;
-        typedef T4 arg4_type;
-        typedef T5 arg5_type;
-        typedef T6 arg6_type;
-        typedef T7 arg7_type;
-        typedef unusable arg8_type;
-        typedef unusable arg9_type;
-        typedef unusable arg10_type;
-      };
-
-      template<typename R, typename T1, typename T2, typename T3, typename T4,
-               typename T5, typename T6, typename T7, typename T8>
-      struct function_traits<R (*)(T1, T2, T3, T4, T5, T6, T7, T8)>
-      {
-        typedef R result_type;
-        typedef T1 arg1_type;
-        typedef T2 arg2_type;
-        typedef T3 arg3_type;
-        typedef T4 arg4_type;
-        typedef T5 arg5_type;
-        typedef T6 arg6_type;
-        typedef T7 arg7_type;
-        typedef T8 arg8_type;
-        typedef unusable arg9_type;
-        typedef unusable arg10_type;
-      };
-
-      template<typename R, typename T1, typename T2, typename T3, typename T4,
-               typename T5, typename T6, typename T7, typename T8, typename T9>
-      struct function_traits<R (*)(T1, T2, T3, T4, T5, T6, T7, T8, T9)>
-      {
-        typedef R result_type;
-        typedef T1 arg1_type;
-        typedef T2 arg2_type;
-        typedef T3 arg3_type;
-        typedef T4 arg4_type;
-        typedef T5 arg5_type;
-        typedef T6 arg6_type;
-        typedef T7 arg7_type;
-        typedef T8 arg8_type;
-        typedef T9 arg9_type;
-        typedef unusable arg10_type;
-      };
-
-      template<typename R, typename T1, typename T2, typename T3, typename T4,
-               typename T5, typename T6, typename T7, typename T8, typename T9,
-               typename T10>
-      struct function_traits<R (*)(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10)>
-      {
-        typedef R result_type;
-        typedef T1 arg1_type;
-        typedef T2 arg2_type;
-        typedef T3 arg3_type;
-        typedef T4 arg4_type;
-        typedef T5 arg5_type;
-        typedef T6 arg6_type;
-        typedef T7 arg7_type;
-        typedef T8 arg8_type;
-        typedef T9 arg9_type;
-        typedef T10 arg10_type;
-      };
-#endif
-
-      // Choose the appropriate underlying implementation
-      template<int Args> struct real_get_function_impl {};
-
-      template<>
-      struct real_get_function_impl<0>
-      {
-        template<
-          typename R, 
-          typename T1,
-          typename T2,
-          typename T3,
-          typename T4,
-          typename T5,
-          typename T6,
-          typename T7,
-          typename T8,
-          typename T9,
-          typename T10,
-          typename Policy,
-          typename Mixin,
-          typename Allocator
-        >
-        struct params
-        {
-          typedef function0<R, Policy, Mixin, Allocator> type;
-        };
-      };
-
-      template<>
-      struct real_get_function_impl<1>
-      {
-        template<
-          typename R, 
-          typename T1,
-          typename T2,
-          typename T3,
-          typename T4,
-          typename T5,
-          typename T6,
-          typename T7,
-          typename T8,
-          typename T9,
-          typename T10,
-          typename Policy,
-          typename Mixin,
-          typename Allocator
-        >
-        struct params
-        {
-          typedef function1<R, T1, Policy, Mixin, Allocator> type;
-        };
-      };
-
-      template<>
-      struct real_get_function_impl<2>
-      {
-        template<
-          typename R, 
-          typename T1,
-          typename T2,
-          typename T3,
-          typename T4,
-          typename T5,
-          typename T6,
-          typename T7,
-          typename T8,
-          typename T9,
-          typename T10,
-          typename Policy,
-          typename Mixin,
-          typename Allocator
-        >
-        struct params
-        {
-          typedef function2<R, T1, T2, Policy, Mixin, Allocator> type;
-        };
-      };
-
-      template<>
-      struct real_get_function_impl<3>
-      {
-        template<
-          typename R, 
-          typename T1,
-          typename T2,
-          typename T3,
-          typename T4,
-          typename T5,
-          typename T6,
-          typename T7,
-          typename T8,
-          typename T9,
-          typename T10,
-          typename Policy,
-          typename Mixin,
-          typename Allocator
-        >
-        struct params
-        {
-          typedef function3<R, T1, T2, T3, Policy, Mixin, Allocator> type;
-        };
-      };
-
-      template<>
-      struct real_get_function_impl<4>
-      {
-        template<
-          typename R, 
-          typename T1,
-          typename T2,
-          typename T3,
-          typename T4,
-          typename T5,
-          typename T6,
-          typename T7,
-          typename T8,
-          typename T9,
-          typename T10,
-          typename Policy,
-          typename Mixin,
-          typename Allocator
-        >
-        struct params
-        {
-          typedef function4<R, T1, T2, T3, T4, Policy, Mixin, Allocator> type;
-        };
-      };
-
-      template<>
-      struct real_get_function_impl<5>
-      {
-        template<
-          typename R, 
-          typename T1,
-          typename T2,
-          typename T3,
-          typename T4,
-          typename T5,
-          typename T6,
-          typename T7,
-          typename T8,
-          typename T9,
-          typename T10,
-          typename Policy,
-          typename Mixin,
-          typename Allocator
-        >
-        struct params
-        {
-          typedef function5<R, T1, T2, T3, T4, T5, Policy, Mixin, Allocator> 
-          type;
-        };
-      };
-
-      template<>
-      struct real_get_function_impl<6>
-      {
-        template<
-          typename R, 
-          typename T1,
-          typename T2,
-          typename T3,
-          typename T4,
-          typename T5,
-          typename T6,
-          typename T7,
-          typename T8,
-          typename T9,
-          typename T10,
-          typename Policy,
-          typename Mixin,
-          typename Allocator
-        >
-        struct params
-        {
-          typedef function6<R, T1, T2, T3, T4, T5, T6, Policy, Mixin, Allocator>
-          type;
-        };
-      };
-
-      template<>
-      struct real_get_function_impl<7>
-      {
-        template<
-          typename R, 
-          typename T1,
-          typename T2,
-          typename T3,
-          typename T4,
-          typename T5,
-          typename T6,
-          typename T7,
-          typename T8,
-          typename T9,
-          typename T10,
-          typename Policy,
-          typename Mixin,
-          typename Allocator
-        >
-        struct params
-        {
-          typedef function7<R, T1, T2, T3, T4, T5, T6, T7, Policy, Mixin, 
-                            Allocator> type;
-        };
-      };
-
-      template<>
-      struct real_get_function_impl<8>
-      {
-        template<
-          typename R, 
-          typename T1,
-          typename T2,
-          typename T3,
-          typename T4,
-          typename T5,
-          typename T6,
-          typename T7,
-          typename T8,
-          typename T9,
-          typename T10,
-          typename Policy,
-          typename Mixin,
-          typename Allocator
-        >
-        struct params
-        {
-          typedef function8<R, T1, T2, T3, T4, T5, T6, T7, T8, Policy, Mixin, 
-                            Allocator> type;
-        };
-      };
-
-      template<>
-      struct real_get_function_impl<9>
-      {
-        template<
-          typename R, 
-          typename T1,
-          typename T2,
-          typename T3,
-          typename T4,
-          typename T5,
-          typename T6,
-          typename T7,
-          typename T8,
-          typename T9,
-          typename T10,
-          typename Policy,
-          typename Mixin,
-          typename Allocator
-        >
-        struct params
-        {
-          typedef function9<R, T1, T2, T3, T4, T5, T6, T7, T8, T9, Policy, 
-                            Mixin, Allocator> type;
-        };
-      };
 
-      template<>
-      struct real_get_function_impl<10>
-      {
-        template<
-          typename R, 
-          typename T1,
-          typename T2,
-          typename T3,
-          typename T4,
-          typename T5,
-          typename T6,
-          typename T7,
-          typename T8,
-          typename T9,
-          typename T10,
-          typename Policy,
-          typename Mixin,
-          typename Allocator
-        >
-        struct params
-        {
-          typedef function10<R, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, 
-                             Policy, Mixin, Allocator> type;
-        };
-      };
+// For more information, see http://www.boost.org/libs/function
 
-      template<typename T1, typename T2>
-      struct is_not_same
-      {
-  	    BOOST_STATIC_CONSTANT(bool, value = !(is_same<T1, T2>::value));
-      };
-
-      template<
-        typename InR, 
-        typename InT1, 
-        typename InT2, 
-        typename InT3, 
-        typename InT4,
-        typename InT5, 
-        typename InT6, 
-        typename InT7, 
-        typename InT8, 
-        typename InT9,
-        typename InT10,
-        typename InPolicy = empty_function_policy,
-        typename InMixin = empty_function_mixin,
-        typename InAllocator = std::allocator<function_base> 
-      >
-      class get_function_impl
-      {
-#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
-        typedef function_traits<typename add_pointer<InR>::type> traits;
-      public:                       
-
-        typedef typename ct_if<(is_function<InR>::value),
-                               typename traits::result_type,
-                               InR>::type R;
-        typedef typename ct_if<(is_function<InR>::value),
-                               typename traits::arg1_type,
-                               InT1>::type T1;
-        typedef typename ct_if<(is_function<InR>::value),
-                               typename traits::arg2_type,
-                               InT2>::type T2;
-        typedef typename ct_if<(is_function<InR>::value),
-                               typename traits::arg3_type,
-                               InT3>::type T3;
-        typedef typename ct_if<(is_function<InR>::value),
-                               typename traits::arg4_type,
-                               InT4>::type T4;
-        typedef typename ct_if<(is_function<InR>::value),
-                               typename traits::arg5_type,
-                               InT5>::type T5;
-        typedef typename ct_if<(is_function<InR>::value),
-                               typename traits::arg6_type,
-                               InT6>::type T6;
-        typedef typename ct_if<(is_function<InR>::value),
-                               typename traits::arg7_type,
-                               InT7>::type T7;
-        typedef typename ct_if<(is_function<InR>::value),
-                               typename traits::arg8_type,
-                               InT8>::type T8;
-        typedef typename ct_if<(is_function<InR>::value),
-                               typename traits::arg9_type,
-                               InT9>::type T9;
-        typedef typename ct_if<(is_function<InR>::value),
-                               typename traits::arg10_type,
-                               InT10>::type T10;        
-        typedef typename ct_if<
-	                   (type_traits::ice_and<
-	                     (is_function<InR>::value),
-			     (is_not_same<InT1, unusable>::value)
-	                    >::value),
-                           InT1,
-                           InPolicy>::type Policy;
-
-        typedef typename ct_if<
-	                   (type_traits::ice_and<
-	                     (is_function<InR>::value),
-			     (is_not_same<InT2, unusable>::value)
-	                    >::value),
-                           InT2,
-                           InMixin>::type Mixin;
-
-        typedef typename ct_if<
-	                   (type_traits::ice_and<
-	                     (is_function<InR>::value),
-			     (is_not_same<InT3, unusable>::value)
-	                    >::value),
-                           InT3,
-                           InAllocator>::type Allocator;
-#else
-      public:                       
-		typedef InR R;
-		typedef InT1 T1;
-		typedef InT2 T2;
-		typedef InT3 T3;
-		typedef InT4 T4;
-		typedef InT5 T5;
-		typedef InT6 T6;
-		typedef InT7 T7;
-		typedef InT8 T8;
-		typedef InT9 T9;
-		typedef InT10 T10;
-		typedef InPolicy Policy;
-		typedef InMixin Mixin;
-		typedef InAllocator Allocator;
-#endif
-        typedef typename real_get_function_impl<
-          (count_used_args<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>::value)
-          >::template params<R, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, 
-                             Policy, Mixin, Allocator>::type
-        type;
-      };
-
-  template<
-    typename InR, 
-    typename InT1, 
-    typename InT2, 
-    typename InT3, 
-    typename InT4,
-    typename InT5, 
-    typename InT6, 
-    typename InT7, 
-    typename InT8, 
-    typename InT9,
-    typename InT10,
-    typename InMyPolicy = empty_function_policy,
-    typename InMyMixin = empty_function_mixin,
-    typename InMyAllocator = std::allocator<function_base> 
-  >
-  class function_traits_builder
-  {
-    typedef get_function_impl<InR, InT1, InT2, InT3, InT4, InT5, InT6, InT7, 
-                              InT8, InT9, InT10, InMyPolicy, InMyMixin, 
-                              InMyAllocator>
-      impl;
-
-    typedef typename impl::R MyR;
-    typedef typename impl::T1 MyT1;
-    typedef typename impl::T2 MyT2;
-    typedef typename impl::T3 MyT3;
-    typedef typename impl::T4 MyT4;
-    typedef typename impl::T5 MyT5;
-    typedef typename impl::T6 MyT6;
-    typedef typename impl::T7 MyT7;
-    typedef typename impl::T8 MyT8;
-    typedef typename impl::T9 MyT9;
-    typedef typename impl::T10 MyT10;
-    typedef typename impl::Policy MyPolicy;
-    typedef typename impl::Mixin MyMixin;
-    typedef typename impl::Allocator MyAllocator;
-
-  public:
-    typedef typename impl::type type;
-    typedef MyPolicy    policy_type;
-    typedef MyMixin     mixin_type;
-    typedef MyAllocator allocator_type;
-
-#ifndef BOOST_NO_DEPENDENT_NESTED_DERIVATIONS
-    template<typename Policy>
-    struct policy : 
-        public function_traits_builder<MyR, MyT1, MyT2, MyT3, MyT4, MyT5, MyT6,
-                                       MyT7, MyT8, MyT9, MyT10, Policy, 
-                                       mixin_type, allocator_type> {};
-
-    template<typename Mixin>
-    struct mixin : 
-        public function_traits_builder<MyR, MyT1, MyT2, MyT3, MyT4, MyT5, MyT6,
-                                       MyT7, MyT8, MyT9, MyT10, policy_type, 
-                                       Mixin, allocator_type> {};
+// William Kempf, Jesse Jones and Karl Nelson were all very helpful in the
+// design of this library.
 
-    template<typename Allocator>
-    struct allocator : 
-        public function_traits_builder<MyR, MyT1, MyT2, MyT3, MyT4, MyT5, MyT6,
-                                       MyT7, MyT8, MyT9, MyT10, policy_type, 
-                                       mixin_type, Allocator> {};
+#include <boost/preprocessor/iterate.hpp>
+#include <boost/detail/workaround.hpp>
+
+#ifndef BOOST_FUNCTION_MAX_ARGS
+#  define BOOST_FUNCTION_MAX_ARGS 10
+#endif // BOOST_FUNCTION_MAX_ARGS
+
+// Include the prologue here so that the use of file-level iteration
+// in anything that may be included by function_template.hpp doesn't break
+#include <boost/function/detail/prologue.hpp>
+
+// Visual Age C++ doesn't handle the file iteration well
+#if BOOST_WORKAROUND(__IBMCPP__, <= 600)
+#  if BOOST_FUNCTION_MAX_ARGS >= 0
+#    include <boost/function/function0.hpp>
+#  endif
+#  if BOOST_FUNCTION_MAX_ARGS >= 1
+#    include <boost/function/function1.hpp>
+#  endif
+#  if BOOST_FUNCTION_MAX_ARGS >= 2
+#    include <boost/function/function2.hpp>
+#  endif
+#  if BOOST_FUNCTION_MAX_ARGS >= 3
+#    include <boost/function/function3.hpp>
+#  endif
+#  if BOOST_FUNCTION_MAX_ARGS >= 4
+#    include <boost/function/function4.hpp>
+#  endif
+#  if BOOST_FUNCTION_MAX_ARGS >= 5
+#    include <boost/function/function5.hpp>
+#  endif
+#  if BOOST_FUNCTION_MAX_ARGS >= 6
+#    include <boost/function/function6.hpp>
+#  endif
+#  if BOOST_FUNCTION_MAX_ARGS >= 7
+#    include <boost/function/function7.hpp>
+#  endif
+#  if BOOST_FUNCTION_MAX_ARGS >= 8
+#    include <boost/function/function8.hpp>
+#  endif
+#  if BOOST_FUNCTION_MAX_ARGS >= 9
+#    include <boost/function/function9.hpp>
+#  endif
+#  if BOOST_FUNCTION_MAX_ARGS >= 10
+#    include <boost/function/function10.hpp>
+#  endif
 #else
-    template<typename Policy>
-    struct policy 
-    {
-      typedef typename function_traits_builder<MyR, MyT1, MyT2, MyT3, MyT4, 
-                                               MyT5, MyT6, MyT7, MyT8, MyT9, 
-                                               MyT10, Policy, mixin_type, 
-                                               allocator_type>::type
-        type;
-    };
-
-    template<typename Mixin>
-    struct mixin
-    {
-      typedef typename function_traits_builder<MyR, MyT1, MyT2, MyT3, MyT4, 
-                                               MyT5, MyT6, MyT7, MyT8, MyT9, 
-                                               MyT10, policy_type, Mixin,
-                                               allocator_type>::type
-        type;
-    };
-
-    template<typename Allocator>
-    struct allocator
-    {
-      typedef typename function_traits_builder<MyR, MyT1, MyT2, MyT3, MyT4, 
-                                               MyT5, MyT6, MyT7, MyT8, MyT9, 
-                                               MyT10, policy_type, mixin_type,
-                                               Allocator>::type
-        type;
-    };
-#endif
-  };
-
-    } // end namespace function
-  } // end namespace detail
-
-  template<
-    typename R, 
-    typename T1 = detail::function::unusable, 
-    typename T2 = detail::function::unusable,
-    typename T3 = detail::function::unusable,
-    typename T4 = detail::function::unusable,
-    typename T5 = detail::function::unusable,
-    typename T6 = detail::function::unusable,
-    typename T7 = detail::function::unusable,
-    typename T8 = detail::function::unusable,
-    typename T9 = detail::function::unusable,
-    typename T10 = detail::function::unusable
-  >
-  class function :
-    public detail::function::get_function_impl<R, T1, T2, T3, T4, T5, T6, T7, 
-                                               T8, T9, T10>::type,
-    public detail::function::function_traits_builder<R, T1, T2, T3, T4, T5, T6,
-                                                     T7, T8, T9, T10>
-  {
-    typedef typename detail::function::get_function_impl<R, T1, T2, T3, T4, T5,
-                                                         T6, T7, T8, T9, T10
-                                                         >::type 
-      base_type;
-
-  public:
-    typedef typename base_type::policy_type policy_type;
-    typedef typename base_type::mixin_type mixin_type;
-    typedef typename base_type::allocator_type allocator_type;              
-    typedef function self_type;                                     
-                                                                            
-    function() : base_type() {}                                     
-                                                                            
-    template<typename Functor>                                              
-    function(Functor BOOST_FUNCTION_TARGET_FIX(const &) f) : base_type(f) {}
-                      
-    function(const self_type& f) : base_type(static_cast<const base_type&>(f)){}
-         
-    template<typename Functor>
-    self_type& operator=(Functor BOOST_FUNCTION_TARGET_FIX(const &) f)
-    {
-      self_type(f).swap(*this);
-      return *this;
-    }
-
-    self_type& operator=(const base_type& f)
-    {
-      self_type(f).swap(*this);
-      return *this;
-    }
-
-    self_type& operator=(const self_type& f)
-    {   
-      self_type(f).swap(*this);
-      return *this;
-    }
-
-    template<typename Functor>
-    void set(Functor BOOST_FUNCTION_TARGET_FIX(const &) f)
-    {
-      int deprecated;
-      self_type(f).swap(*this);
-    }
-
-    void set(const base_type& f)
-    {
-      int deprecated;
-      self_type(f).swap(*this);
-    }
-
-    void set(const self_type& f)                             
-    {
-      int deprecated;
-      self_type(f).swap(*this);
-    }   
-  };
-
-  template<typename R,
-           typename T1, 
-           typename T2,
-           typename T3,
-           typename T4,
-           typename T5,
-           typename T6,
-           typename T7,
-           typename T8,
-           typename T9,
-           typename T10>
-  inline void swap(function<R, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>& f1,
-                   function<R, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>& f2)
-  {
-    f1.swap(f2);
-  }
-} // end namespace boost
-
+// What is the '3' for?
+#  define BOOST_PP_ITERATION_PARAMS_1 (3,(0,BOOST_FUNCTION_MAX_ARGS,<boost/function/detail/function_iterate.hpp>))
+#  include BOOST_PP_ITERATE()
+#  undef BOOST_PP_ITERATION_PARAMS_1
 #endif