/*=============================================================================
    Copyright (c) 2006 Joel de Guzman

    Use, modification and distribution is subject to the Boost Software
    License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
    http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#include "overload.hpp"
#include <boost/detail/lightweight_test.hpp>
#include <string>
#include <iostream>

int foo1(char)
{
    return 123;
}

double foo2(int, char)
{
    return 123.456;
}

char foo3(std::string)
{
    return 'x';
}

void foo4(std::string s1, std::string s2, std::string s3)
{
    std::cout << s1 << s2 << s3  << std::endl;
}

int main()
{
    boost::overload<
        int(char)
      , double(int, char)
      , char(std::string)
      , void(std::string, std::string, std::string)
      >
    f;

    f.set<0>(&foo1);
    f.set<1>(&foo2);
    f.set<2>(&foo3);
    f.set<3>(&foo4);

    int i = f('x');
    double d = f(123, 'x');
    char c = f("hello");
    f("Hello", ", World", ", I'm Joel");

    BOOST_ASSERT(i == 123);
    BOOST_ASSERT(d > 123.455 && d < 123.457);
    BOOST_ASSERT(c == 'x');

    return boost::report_errors();
}