type_traits (is_member_function_pointer): Remove ugly workaround for c++/19076.

2005-02-21  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/type_traits (is_member_function_pointer):
	Remove ugly workaround for c++/19076.

From-SVN: r95360

1 files changed, 3 insertions, 210 deletions

diff --git a/libstdc++-v3/include/tr1/type_traits b/libstdc++-v3/include/tr1/type_traits
index 12609dd..c4aa58d 100644
--- a/libstdc++-v3/include/tr1/type_traits
+++ b/libstdc++-v3/include/tr1/type_traits
@@ -151,218 +151,11 @@ namespace tr1
   _DEFINE_SPEC(2, is_member_object_pointer, _Tp _Cp::*,
 	       !is_function<_Tp>::value)
 
-  // Due to c++/19076, for the time being we cannot use the correct, neat
-  // implementation :-(
-  //
-  // template<typename>
-  //   struct is_member_function_pointer
-  //   : public false_type { };
-  // _DEFINE_SPEC(2, is_member_function_pointer, _Tp _Cp::*,
-  //	          is_function<_Tp>::value)
-  //
-  // Temporary workaround for member functions with up to 15 arguments:
   template<typename>
-    struct __is_mfp_helper
-    { static const bool __value = false; };
-
-  template<typename _Rt, typename _Cp>
-    struct __is_mfp_helper<_Rt (_Cp::*) ()>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp>
-    struct __is_mfp_helper<_Rt (_Cp::*) (...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, ...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, ...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, ...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, ...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, ...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, ...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 ...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, ...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8, ...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8, typename _A9>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8, _A9)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8, typename _A9>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8, _A9, ...)>
-    { static const bool __value = true; };
-  
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8, typename _A9, typename _A10>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8, _A9, _A10)>
-    { static const bool __value = true; };
-  
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8, typename _A9, typename _A10>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8, _A9, _A10, ...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8, typename _A9, typename _A10, typename _A11>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8, _A9, _A10, _A11)>
-    { static const bool __value = true; };
-  
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8, typename _A9, typename _A10, typename _A11>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8, _A9, _A10, _A11, ...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8, typename _A9, typename _A10, typename _A11,
-	   typename _A12>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8, _A9, _A10, _A11, _A12)>
-    { static const bool __value = true; };
-  
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8, typename _A9, typename _A10, typename _A11,
-	   typename _A12>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8, _A9, _A10, _A11, _A12, ...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8, typename _A9, typename _A10, typename _A11,
-	   typename _A12, typename _A13>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8, _A9, _A10, _A11, _A12,
-					 _A13)>
-    { static const bool __value = true; };
-  
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8, typename _A9, typename _A10, typename _A11,
-	   typename _A12, typename _A13>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8, _A9, _A10, _A11, _A12,
-					 _A13, ...)>
-    { static const bool __value = true; };
-
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8, typename _A9, typename _A10, typename _A11,
-	   typename _A12, typename _A13, typename _A14>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8, _A9, _A10, _A11, _A12,
-					 _A13, _A14)>
-    { static const bool __value = true; };
-  
-  template<typename _Rt, typename _Cp, typename _A0, typename _A1, typename _A2,
-	   typename _A3, typename _A4, typename _A5, typename _A6, typename _A7,
-	   typename _A8, typename _A9, typename _A10, typename _A11,
-	   typename _A12, typename _A13, typename _A14>
-    struct __is_mfp_helper<_Rt (_Cp::*) (_A0, _A1, _A2, _A3, _A4, _A5, _A6,
-					 _A7, _A8, _A9, _A10, _A11, _A12,
-					 _A13, _A14, ...)>
-    { static const bool __value = true; };
-
-  template<typename _Tp>
     struct is_member_function_pointer
-    : public integral_constant<bool, (__is_mfp_helper<typename
-				      remove_cv<_Tp>::type>::__value)>
-    { };
+    : public false_type { };
+  _DEFINE_SPEC(2, is_member_function_pointer, _Tp _Cp::*,
+	       is_function<_Tp>::value)
 
   template<typename _Tp, bool = (is_fundamental<_Tp>::value
 				 || is_array<_Tp>::value