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// (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 specializations = 30;
int main()
{
unsigned i, j;
ofstream os("specialisations");
//
// generate is_function tester prototypes:
for(i = 0; i <= specializations; ++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 < specializations; ++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 <= specializations; ++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 < specializations; ++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;
}
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