Type_traits: Added add_const/add_volatile/is_fucntion tests.

Updated docs for new templates.
              Updated test programs to test abstract base classes.


[SVN r9638]

tools/specialisations.cpp

@@ -0,0 +1,121 @@
+
+//  (C) Copyright John Maddock 2000. Permission to copy, use, modify, sell and   
+//  distribute this software is granted provided this copyright notice appears
+//  in all copies. This software is provided "as is" without express or implied
+//  warranty, and with no claim as to its suitability for any purpose.
+
+//
+// Simple program to output some template specialisations for the type_traits library.
+//
+
+#include <fstream>
+
+using namespace std;
+
+unsigned count = 30;
+
+int main()
+{
+   unsigned i, j;
+   ofstream os("specialisations");
+
+   //
+   // generate is_function tester prototypes:
+   for(i = 0; i <= count; ++i)
+   {
+      os << "template <class R";
+      for(j = 0; j < i; ++j)
+      {
+         os << ", class A" << j;
+      }
+      os << ">\n::boost::type_traits::yes_type is_function_tester(R (*)(";
+      if(i == 0)
+         os << "void";
+      else
+      {
+         for(j = 0; j < i; ++j)
+         {
+            if(j) os << ", ";
+            os << "A" << j;
+         }
+      }
+      os << "));" << endl;
+   }
+   os << endl << endl;
+   //
+   // generate is_function_helper partial specialisations:
+   //
+   for(i = 0; i < count; ++i)
+   {
+      os << "template <class R";
+      for(j = 0; j < i; ++j)
+      {
+         os << ", class A" << j;
+      }
+      os << ">\nstruct is_function_helper_base<R (*)(";
+      if(i == 0)
+         os << "void";
+      else
+      {
+         for(j = 0; j < i; ++j)
+         {
+            if(j) os << ", ";
+            os << "A" << j;
+         }
+      }
+      os << ")>{ BOOST_STATIC_CONSTANT(bool, value = true); };" << endl;
+   }
+   os << endl << endl;
+
+
+   //
+   // generate is_member_pointer_helper tester prototypes:
+   for(i = 0; i <= count; ++i)
+   {
+      os << "template <class R, class T";
+      for(j = 0; j < i; ++j)
+      {
+         os << ", class A" << j;
+      }
+      os << ">\n::boost::type_traits::yes_type is_member_pointer_helper(R (T::*)(";
+      if(i == 0)
+         os << "void";
+      else
+      {
+         for(j = 0; j < i; ++j)
+         {
+            if(j) os << ", ";
+            os << "A" << j;
+         }
+      }
+      os << "));" << endl;
+   }
+   os << endl << endl;
+   //
+   // generate is_member_pointer partial specialisations:
+   //
+   for(i = 0; i < count; ++i)
+   {
+      os << "template <class R, class T";
+      for(j = 0; j < i; ++j)
+      {
+         os << ", class A" << j;
+      }
+      os << ">\nstruct is_member_pointer<R (T::*)(";
+      if(i == 0)
+         os << "void";
+      else
+      {
+         for(j = 0; j < i; ++j)
+         {
+            if(j) os << ", ";
+            os << "A" << j;
+         }
+      }
+      os << ")>{ BOOST_STATIC_CONSTANT(bool, value = true); };" << endl;
+   }
+   os << endl << endl;
+
+
+   return 0;
+}