Chris@16: // Boost Lambda Library -  function_adaptors.hpp ----------------------------
Chris@16:  
Chris@16: // Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // For more information, see www.boost.org
Chris@16: 
Chris@16: 
Chris@16: #ifndef BOOST_LAMBDA_FUNCTION_ADAPTORS_HPP
Chris@16: #define BOOST_LAMBDA_FUNCTION_ADAPTORS_HPP
Chris@16: 
Chris@16: #include "boost/mpl/has_xxx.hpp"
Chris@16: #include "boost/tuple/tuple.hpp"
Chris@16: #include "boost/type_traits/same_traits.hpp"
Chris@16: #include "boost/type_traits/remove_reference.hpp"
Chris@16: #include "boost/type_traits/remove_cv.hpp"
Chris@16: #include "boost/type_traits/add_const.hpp"
Chris@16: #include "boost/type_traits/add_volatile.hpp"
Chris@16: #include "boost/utility/result_of.hpp"
Chris@16: 
Chris@16: namespace boost { 
Chris@16: namespace lambda {
Chris@16: 
Chris@16: namespace detail {
Chris@16: 
Chris@16: BOOST_MPL_HAS_XXX_TEMPLATE_DEF(sig)
Chris@16: 
Chris@16: template<class Tuple>
Chris@16: struct remove_references_from_elements {
Chris@16:   typedef typename boost::tuples::cons<
Chris@16:     typename boost::remove_reference<typename Tuple::head_type>::type,
Chris@16:     typename remove_references_from_elements<typename Tuple::tail_type>::type
Chris@16:   > type;
Chris@16: };
Chris@16: 
Chris@16: template<>
Chris@16: struct remove_references_from_elements<boost::tuples::null_type> {
Chris@16:   typedef boost::tuples::null_type type;
Chris@16: };
Chris@16: 
Chris@16: }
Chris@16: 
Chris@16: template <class Func> struct function_adaptor {
Chris@16: 
Chris@16:   typedef typename detail::remove_reference_and_cv<Func>::type plainF;
Chris@16: 
Chris@16: #if !defined(BOOST_NO_RESULT_OF)
Chris@16:   // Support functors that use the boost::result_of return type convention.
Chris@16:   template<class Tuple, int Length, bool HasSig>
Chris@16:   struct result_converter;
Chris@16:   template<class Tuple, int Length>
Chris@16:   struct result_converter<Tuple, Length, true>
Chris@16:     : plainF::template sig<
Chris@16:         typename detail::remove_references_from_elements<Tuple>::type
Chris@16:       >
Chris@16:   {};
Chris@16:   template<class Tuple>
Chris@16:   struct result_converter<Tuple, 0, false>
Chris@16:     : result_of<plainF()>
Chris@16:   {};
Chris@16:   template<class Tuple>
Chris@16:   struct result_converter<Tuple, 1, false>
Chris@16:     : result_of<plainF(
Chris@16:         typename tuples::element<1, Tuple>::type)
Chris@16:       >
Chris@16:   {};
Chris@16:   template<class Tuple>
Chris@16:   struct result_converter<Tuple, 2, false>
Chris@16:     : result_of<plainF(
Chris@16:         typename tuples::element<1, Tuple>::type,
Chris@16:         typename tuples::element<2, Tuple>::type)
Chris@16:       >
Chris@16:   {};
Chris@16:   template<class Tuple>
Chris@16:   struct result_converter<Tuple, 3, false>
Chris@16:     : result_of<plainF(
Chris@16:         typename tuples::element<1, Tuple>::type,
Chris@16:         typename tuples::element<2, Tuple>::type,
Chris@16:         typename tuples::element<3, Tuple>::type)
Chris@16:       >
Chris@16:   {};
Chris@16:   template<class Tuple>
Chris@16:   struct result_converter<Tuple, 4, false>
Chris@16:     : result_of<plainF(
Chris@16:         typename tuples::element<1, Tuple>::type,
Chris@16:         typename tuples::element<2, Tuple>::type,
Chris@16:         typename tuples::element<3, Tuple>::type,
Chris@16:         typename tuples::element<4, Tuple>::type)
Chris@16:       >
Chris@16:   {};
Chris@16:   template<class Tuple>
Chris@16:   struct result_converter<Tuple, 5, false>
Chris@16:     : result_of<plainF(
Chris@16:         typename tuples::element<1, Tuple>::type,
Chris@16:         typename tuples::element<2, Tuple>::type,
Chris@16:         typename tuples::element<3, Tuple>::type,
Chris@16:         typename tuples::element<4, Tuple>::type,
Chris@16:         typename tuples::element<5, Tuple>::type)
Chris@16:       >
Chris@16:   {};
Chris@16:   template<class Tuple>
Chris@16:   struct result_converter<Tuple, 6, false>
Chris@16:     : result_of<plainF(
Chris@16:         typename tuples::element<1, Tuple>::type,
Chris@16:         typename tuples::element<2, Tuple>::type,
Chris@16:         typename tuples::element<3, Tuple>::type,
Chris@16:         typename tuples::element<4, Tuple>::type,
Chris@16:         typename tuples::element<5, Tuple>::type,
Chris@16:         typename tuples::element<6, Tuple>::type)
Chris@16:       >
Chris@16:   {};
Chris@16:   template<class Tuple>
Chris@16:   struct result_converter<Tuple, 7, false>
Chris@16:     : result_of<plainF(
Chris@16:         typename tuples::element<1, Tuple>::type,
Chris@16:         typename tuples::element<2, Tuple>::type,
Chris@16:         typename tuples::element<3, Tuple>::type,
Chris@16:         typename tuples::element<4, Tuple>::type,
Chris@16:         typename tuples::element<5, Tuple>::type,
Chris@16:         typename tuples::element<6, Tuple>::type,
Chris@16:         typename tuples::element<7, Tuple>::type)
Chris@16:       >
Chris@16:   {};
Chris@16:   template<class Tuple>
Chris@16:   struct result_converter<Tuple, 8, false>
Chris@16:     : result_of<plainF(
Chris@16:         typename tuples::element<1, Tuple>::type,
Chris@16:         typename tuples::element<2, Tuple>::type,
Chris@16:         typename tuples::element<3, Tuple>::type,
Chris@16:         typename tuples::element<4, Tuple>::type,
Chris@16:         typename tuples::element<5, Tuple>::type,
Chris@16:         typename tuples::element<6, Tuple>::type,
Chris@16:         typename tuples::element<7, Tuple>::type,
Chris@16:         typename tuples::element<8, Tuple>::type)
Chris@16:       >
Chris@16:   {};
Chris@16:   template<class Tuple>
Chris@16:   struct result_converter<Tuple, 9, false>
Chris@16:     : result_of<plainF(
Chris@16:         typename tuples::element<1, Tuple>::type,
Chris@16:         typename tuples::element<2, Tuple>::type,
Chris@16:         typename tuples::element<3, Tuple>::type,
Chris@16:         typename tuples::element<4, Tuple>::type,
Chris@16:         typename tuples::element<5, Tuple>::type,
Chris@16:         typename tuples::element<6, Tuple>::type,
Chris@16:         typename tuples::element<7, Tuple>::type,
Chris@16:         typename tuples::element<8, Tuple>::type,
Chris@16:         typename tuples::element<9, Tuple>::type)
Chris@16:       >
Chris@16:   {};
Chris@16: 
Chris@16:   // we do not know the return type off-hand, we must ask it from Func
Chris@16:   // To sig we pass a cons list, where the head is the function object type
Chris@16:   // itself (potentially cv-qualified)
Chris@16:   // and the tail contains the types of the actual arguments to be passed
Chris@16:   // to the function object. The arguments can be cv qualified
Chris@16:   // as well.
Chris@16:   template <class Args>
Chris@16:   struct sig
Chris@16:     : result_converter<
Chris@16:         Args
Chris@16:       , tuples::length<typename Args::tail_type>::value
Chris@16:       , detail::has_sig<plainF>::value
Chris@16:       >
Chris@16:   {};
Chris@16: #else // BOOST_NO_RESULT_OF
Chris@16: 
Chris@16:   template <class Args> class sig {
Chris@16:     typedef typename detail::remove_reference_and_cv<Func>::type plainF;
Chris@16:   public:
Chris@16:     typedef typename plainF::template sig<
Chris@16:       typename detail::remove_references_from_elements<Args>::type
Chris@16:     >::type type;
Chris@16:   };
Chris@16: #endif
Chris@16: 
Chris@16:   template<class RET, class A1>
Chris@16:   static RET apply(A1& a1) {
Chris@16:     return a1();
Chris@16:   }
Chris@16:   template<class RET, class A1, class A2>
Chris@16:   static RET apply(A1& a1, A2& a2) {
Chris@16:     return a1(a2);
Chris@16:   }
Chris@16:   template<class RET, class A1, class A2, class A3>
Chris@16:   static RET apply(A1& a1, A2& a2, A3& a3) {
Chris@16:     return a1(a2, a3);
Chris@16:   }
Chris@16:   template<class RET, class A1, class A2, class A3, class A4>
Chris@16:   static RET apply(A1& a1, A2& a2, A3& a3, A4& a4) {
Chris@16:     return a1(a2, a3, a4);
Chris@16:   }
Chris@16:   template<class RET, class A1, class A2, class A3, class A4, class A5>
Chris@16:   static RET apply(A1& a1, A2& a2, A3& a3, A4& a4, A5& a5) {
Chris@16:     return a1(a2, a3, a4, a5);
Chris@16:   }
Chris@16:   template<class RET, class A1, class A2, class A3, class A4, class A5, class A6>
Chris@16:   static RET apply(A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6) {
Chris@16:     return a1(a2, a3, a4, a5, a6);
Chris@16:   }
Chris@16:   template<class RET, class A1, class A2, class A3, class A4, class A5, class A6, 
Chris@16:            class A7>
Chris@16:   static RET apply(A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, 
Chris@16:                            A7& a7) {
Chris@16:     return a1(a2, a3, a4, a5, a6, a7);
Chris@16:   }
Chris@16:   template<class RET, class A1, class A2, class A3, class A4, class A5, class A6, 
Chris@16:            class A7, class A8>
Chris@16:   static RET apply(A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, 
Chris@16:                            A7& a7, A8& a8) {
Chris@16:     return a1(a2, a3, a4, a5, a6, a7, a8);
Chris@16:   }
Chris@16:   template<class RET, class A1, class A2, class A3, class A4, class A5, class A6, 
Chris@16:            class A7, class A8, class A9>
Chris@16:   static RET apply(A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, 
Chris@16:                            A7& a7, A8& a8, A9& a9) {
Chris@16:     return a1(a2, a3, a4, a5, a6, a7, a8, a9);
Chris@16:   }
Chris@16:   template<class RET, class A1, class A2, class A3, class A4, class A5, class A6, 
Chris@16:            class A7, class A8, class A9, class A10>
Chris@16:   static RET apply(A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, 
Chris@16:                            A7& a7, A8& a8, A9& a9, A10& a10) {
Chris@16:     return a1(a2, a3, a4, a5, a6, a7, a8, a9, a10);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Func> struct function_adaptor<const Func>; // error 
Chris@16: 
Chris@16: // -- function adaptors with data member access
Chris@16: template <class Object, class T>
Chris@16: struct function_adaptor<T Object::*> {
Chris@16: 
Chris@16:   //  typedef detail::unspecified type;
Chris@16: 
Chris@16:   // T can have qualifiers and can be a reference type
Chris@16:   // We get the return type by adding const, if the object through which
Chris@16:   // the data member is accessed is const, and finally adding a reference
Chris@16:   template<class Args> class sig { 
Chris@16:     typedef typename boost::tuples::element<1, Args>::type argument_type;
Chris@16:     typedef typename boost::remove_reference<
Chris@16:       argument_type
Chris@16:     >::type unref_type;
Chris@16: 
Chris@16:     typedef typename detail::IF<boost::is_const<unref_type>::value,
Chris@16:       typename boost::add_const<T>::type,
Chris@16:       T
Chris@16:     >::RET properly_consted_return_type;
Chris@16: 
Chris@16:     typedef typename detail::IF<boost::is_volatile<unref_type>::value,
Chris@16:       typename boost::add_volatile<properly_consted_return_type>::type,
Chris@16:       properly_consted_return_type
Chris@16:     >::RET properly_cvd_return_type;
Chris@16: 
Chris@16: 
Chris@16:   public:
Chris@16:     typedef typename detail::IF<boost::is_reference<argument_type>::value,
Chris@16:       typename boost::add_reference<properly_cvd_return_type>::type,
Chris@16:       typename boost::remove_cv<T>::type
Chris@16:     >::RET type;
Chris@16:   };
Chris@16: 
Chris@16:   template <class RET>
Chris@16:   static RET apply( T Object::*data, Object& o) {
Chris@16:     return o.*data;
Chris@16:   }
Chris@16:   template <class RET>
Chris@16:   static RET apply( T Object::*data, const Object& o) {
Chris@16:     return o.*data;
Chris@16:   }
Chris@16:   template <class RET>
Chris@16:   static RET apply( T Object::*data, volatile Object& o) {
Chris@16:     return o.*data;
Chris@16:   }
Chris@16:   template <class RET>
Chris@16:   static RET apply( T Object::*data, const volatile Object& o) {
Chris@16:     return o.*data;
Chris@16:   }
Chris@16:   template <class RET>
Chris@16:   static RET apply( T Object::*data, Object* o) {
Chris@16:     return o->*data;
Chris@16:   }
Chris@16:   template <class RET>
Chris@16:   static RET apply( T Object::*data, const Object* o) {
Chris@16:     return o->*data;
Chris@16:   }
Chris@16:   template <class RET>
Chris@16:   static RET apply( T Object::*data, volatile Object* o) {
Chris@16:     return o->*data;
Chris@16:   }
Chris@16:   template <class RET>
Chris@16:   static RET apply( T Object::*data, const volatile Object* o) {
Chris@16:     return o->*data;
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: // -- function adaptors with 1 argument apply
Chris@16:    
Chris@16: template <class Result>
Chris@16: struct function_adaptor<Result (void)> {
Chris@16:   
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET>
Chris@16:   static Result apply(Result (*func)()) {
Chris@16:     return func();
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Result>
Chris@16: struct function_adaptor<Result (*)(void)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET>
Chris@16:   static Result apply(Result (*func)()) {
Chris@16:     return func();
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: // -- function adaptors with 2 argument apply
Chris@16: template <class Object, class Result>
Chris@16: struct function_adaptor<Result (Object::*)() const> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET>
Chris@16:   static Result apply( Result (Object::*func)() const, const Object* o) {
Chris@16:     return (o->*func)();
Chris@16:   }
Chris@16:   template <class RET>
Chris@16:   static Result apply( Result (Object::*func)() const, const Object& o) {
Chris@16:     return (o.*func)();
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Object, class Result>
Chris@16: struct function_adaptor<Result (Object::*)()> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET>
Chris@16:   static Result apply( Result (Object::*func)(), Object* o) {
Chris@16:     return (o->*func)();
Chris@16:   }
Chris@16:   template <class RET>
Chris@16:   static Result apply( Result (Object::*func)(), Object& o) {
Chris@16:     return (o.*func)();
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Result>
Chris@16: struct function_adaptor<Result (Arg1)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1>
Chris@16:   static Result apply(Result (*func)(Arg1), A1& a1) {
Chris@16:     return func(a1);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Result>
Chris@16: struct function_adaptor<Result (*)(Arg1)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1>
Chris@16:   static Result apply(Result (*func)(Arg1), A1& a1) {
Chris@16:     return func(a1);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: // -- function adaptors with 3 argument apply
Chris@16: template <class Object, class Arg1, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1) const> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1>
Chris@16:   static Result apply( Result (Object::*func)(Arg1) const, const Object* o, 
Chris@16:     A1& a1) {
Chris@16:     return (o->*func)(a1);
Chris@16:   }
Chris@16:   template <class RET, class A1>
Chris@16:   static Result apply( Result (Object::*func)(Arg1) const, const Object& o, 
Chris@16:     A1& a1) {
Chris@16:     return (o.*func)(a1);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Object, class Arg1, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1>
Chris@16:   static Result apply( Result (Object::*func)(Arg1), Object* o, A1& a1) {
Chris@16:     return (o->*func)(a1);
Chris@16:   }
Chris@16:   template <class RET, class A1>
Chris@16:   static Result apply( Result (Object::*func)(Arg1), Object& o, A1& a1) {
Chris@16:     return (o.*func)(a1);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Result>
Chris@16: struct function_adaptor<Result (Arg1, Arg2)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2), A1& a1, A2& a2) {
Chris@16:     return func(a1, a2);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Result>
Chris@16: struct function_adaptor<Result (*)(Arg1, Arg2)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2), A1& a1, A2& a2) {
Chris@16:     return func(a1, a2);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: // -- function adaptors with 4 argument apply
Chris@16: template <class Object, class Arg1, class Arg2, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2) const> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2) const, const Object* o, A1& a1, A2& a2) {
Chris@16:     return (o->*func)(a1, a2);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2) const, const Object& o, A1& a1, A2& a2) {
Chris@16:     return (o.*func)(a1, a2);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Object, class Arg1, class Arg2, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2), Object* o, A1& a1, A2& a2) {
Chris@16:     return (o->*func)(a1, a2);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2), Object& o, A1& a1, A2& a2) {
Chris@16:     return (o.*func)(a1, a2);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Result>
Chris@16: struct function_adaptor<Result (Arg1, Arg2, Arg3)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3), A1& a1, A2& a2, A3& a3) {
Chris@16:     return func(a1, a2, a3);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Result>
Chris@16: struct function_adaptor<Result (*)(Arg1, Arg2, Arg3)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3), A1& a1, A2& a2, A3& a3) {
Chris@16:     return func(a1, a2, a3);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: // -- function adaptors with 5 argument apply
Chris@16: template <class Object, class Arg1, class Arg2, class Arg3, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2, Arg3) const> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3) const, const Object* o, A1& a1, A2& a2, A3& a3) {
Chris@16:     return (o->*func)(a1, a2, a3);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2, class A3>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3) const, const Object& o, A1& a1, A2& a2, A3& a3) {
Chris@16:     return (o.*func)(a1, a2, a3);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Object, class Arg1, class Arg2, class Arg3, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2, Arg3)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3), Object* o, A1& a1, A2& a2, A3& a3) {
Chris@16:     return (o->*func)(a1, a2, a3);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2, class A3>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3), Object& o, A1& a1, A2& a2, A3& a3) {
Chris@16:     return (o.*func)(a1, a2, a3);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Arg4, class Result>
Chris@16: struct function_adaptor<Result (Arg1, Arg2, Arg3, Arg4)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3, Arg4), A1& a1, A2& a2, A3& a3, A4& a4) {
Chris@16:     return func(a1, a2, a3, a4);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Arg4, class Result>
Chris@16: struct function_adaptor<Result (*)(Arg1, Arg2, Arg3, Arg4)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3, Arg4), A1& a1, A2& a2, A3& a3, A4& a4) {
Chris@16:     return func(a1, a2, a3, a4);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: // -- function adaptors with 6 argument apply
Chris@16: template <class Object, class Arg1, class Arg2, class Arg3, class Arg4, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2, Arg3, Arg4) const> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4) const, const Object* o, A1& a1, A2& a2, A3& a3, A4& a4) {
Chris@16:     return (o->*func)(a1, a2, a3, a4);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2, class A3, class A4>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4) const, const Object& o, A1& a1, A2& a2, A3& a3, A4& a4) {
Chris@16:     return (o.*func)(a1, a2, a3, a4);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Object, class Arg1, class Arg2, class Arg3, class Arg4, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2, Arg3, Arg4)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4), Object* o, A1& a1, A2& a2, A3& a3, A4& a4) {
Chris@16:     return (o->*func)(a1, a2, a3, a4);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2, class A3, class A4>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4), Object& o, A1& a1, A2& a2, A3& a3, A4& a4) {
Chris@16:     return (o.*func)(a1, a2, a3, a4);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Result>
Chris@16: struct function_adaptor<Result (Arg1, Arg2, Arg3, Arg4, Arg5)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3, Arg4, Arg5), A1& a1, A2& a2, A3& a3, A4& a4, A5& a5) {
Chris@16:     return func(a1, a2, a3, a4, a5);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Result>
Chris@16: struct function_adaptor<Result (*)(Arg1, Arg2, Arg3, Arg4, Arg5)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3, Arg4, Arg5), A1& a1, A2& a2, A3& a3, A4& a4, A5& a5) {
Chris@16:     return func(a1, a2, a3, a4, a5);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: // -- function adaptors with 7 argument apply
Chris@16: template <class Object, class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2, Arg3, Arg4, Arg5) const> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5) const, const Object* o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5) {
Chris@16:     return (o->*func)(a1, a2, a3, a4, a5);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5) const, const Object& o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5) {
Chris@16:     return (o.*func)(a1, a2, a3, a4, a5);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Object, class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2, Arg3, Arg4, Arg5)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5), Object* o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5) {
Chris@16:     return (o->*func)(a1, a2, a3, a4, a5);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5), Object& o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5) {
Chris@16:     return (o.*func)(a1, a2, a3, a4, a5);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Result>
Chris@16: struct function_adaptor<Result (Arg1, Arg2, Arg3, Arg4, Arg5, Arg6)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6), A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6) {
Chris@16:     return func(a1, a2, a3, a4, a5, a6);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Result>
Chris@16: struct function_adaptor<Result (*)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6), A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6) {
Chris@16:     return func(a1, a2, a3, a4, a5, a6);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: // -- function adaptors with 8 argument apply
Chris@16: template <class Object, class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6) const> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6) const, const Object* o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6) {
Chris@16:     return (o->*func)(a1, a2, a3, a4, a5, a6);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6) const, const Object& o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6) {
Chris@16:     return (o.*func)(a1, a2, a3, a4, a5, a6);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Object, class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6), Object* o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6) {
Chris@16:     return (o->*func)(a1, a2, a3, a4, a5, a6);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6), Object& o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6) {
Chris@16:     return (o.*func)(a1, a2, a3, a4, a5, a6);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Arg7, class Result>
Chris@16: struct function_adaptor<Result (Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7), A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7) {
Chris@16:     return func(a1, a2, a3, a4, a5, a6, a7);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Arg7, class Result>
Chris@16: struct function_adaptor<Result (*)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7), A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7) {
Chris@16:     return func(a1, a2, a3, a4, a5, a6, a7);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: // -- function adaptors with 9 argument apply
Chris@16: template <class Object, class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Arg7, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7) const> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7) const, const Object* o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7) {
Chris@16:     return (o->*func)(a1, a2, a3, a4, a5, a6, a7);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7) const, const Object& o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7) {
Chris@16:     return (o.*func)(a1, a2, a3, a4, a5, a6, a7);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Object, class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Arg7, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7), Object* o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7) {
Chris@16:     return (o->*func)(a1, a2, a3, a4, a5, a6, a7);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7), Object& o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7) {
Chris@16:     return (o.*func)(a1, a2, a3, a4, a5, a6, a7);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Arg7, class Arg8, class Result>
Chris@16: struct function_adaptor<Result (Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8), A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7, A8& a8) {
Chris@16:     return func(a1, a2, a3, a4, a5, a6, a7, a8);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Arg7, class Arg8, class Result>
Chris@16: struct function_adaptor<Result (*)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8), A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7, A8& a8) {
Chris@16:     return func(a1, a2, a3, a4, a5, a6, a7, a8);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: // -- function adaptors with 10 argument apply
Chris@16: template <class Object, class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Arg7, class Arg8, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8) const> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8) const, const Object* o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7, A8& a8) {
Chris@16:     return (o->*func)(a1, a2, a3, a4, a5, a6, a7, a8);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8) const, const Object& o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7, A8& a8) {
Chris@16:     return (o.*func)(a1, a2, a3, a4, a5, a6, a7, a8);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Object, class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Arg7, class Arg8, class Result>
Chris@16: struct function_adaptor<Result (Object::*)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8), Object* o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7, A8& a8) {
Chris@16:     return (o->*func)(a1, a2, a3, a4, a5, a6, a7, a8);
Chris@16:   }
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
Chris@16:   static Result apply( Result (Object::*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8), Object& o, A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7, A8& a8) {
Chris@16:     return (o.*func)(a1, a2, a3, a4, a5, a6, a7, a8);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Arg7, class Arg8, class Arg9, class Result>
Chris@16: struct function_adaptor<Result (Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8, Arg9)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8, Arg9), A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7, A8& a8, A9& a9) {
Chris@16:     return func(a1, a2, a3, a4, a5, a6, a7, a8, a9);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: template <class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Arg7, class Arg8, class Arg9, class Result>
Chris@16: struct function_adaptor<Result (*)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8, Arg9)> {
Chris@16: 
Chris@16:   template<class T> struct sig { typedef Result type; };
Chris@16:   template <class RET, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9>
Chris@16:   static Result apply(Result (*func)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8, Arg9), A1& a1, A2& a2, A3& a3, A4& a4, A5& a5, A6& a6, A7& a7, A8& a8, A9& a9) {
Chris@16:     return func(a1, a2, a3, a4, a5, a6, a7, a8, a9);
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: } // namespace lambda
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: