/* C++ 0x test program
 * to compile with g++, use compilation flag -std=gnu++0x
 * 
 * Requires at least GCC 4.4 for
 * - auto keyword
 * - initializer lists
 * 
 * Requires at least GCC 4.6 for
 * - range-based for
 * 
 * GCC 4.6 for Ubuntu: https://launchpad.net/~ubuntu-toolchain-r/+archive/test
 */

#include <iostream>
#include <vector>

// C++03 vector iteration for
void iter_03 (std::vector<int> &int_vec)
{
    for (std::vector<int>::const_iterator i = int_vec.begin(); i != int_vec.end(); ++i)
    {
        std::cout << *i << " ";
    }
}

// C++0x vector iteration for, using auto keyword
void iter_0x_auto (std::vector<int> &int_vec)
{
    for (auto i = int_vec.begin(); i != int_vec.end(); ++i)
    {
        std::cout << *i << " ";
    }
}

// C++0x vector iteration for, using range-based for
void iter_0x_rangebasedfor (std::vector<int> &int_vec)
{
    for (auto i: int_vec)
    {
        std::cout << i << " ";
    }
}

int main()
{
    // Initializer list
    std::vector<int> int_vec = {1, 2, 3, 5, 7, 11, 13, 17, 19};
    
    // C++0x style
    for (auto f: {iter_03, iter_0x_auto, iter_0x_rangebasedfor})
    {
        f(int_vec);
        std::cout << "\n";
    }
    
    // C++03 style
    std::vector<void (*)(std::vector<int>&)> func_vec;
    func_vec.push_back(iter_03);
    func_vec.push_back(iter_0x_auto);
    func_vec.push_back(iter_0x_rangebasedfor);
    
    for (std::vector<void (*)(std::vector<int>&)>::iterator f = func_vec.begin(); f != func_vec.end(); ++f)
    {
        (*f)(int_vec);
        std::cout << "\n";
    }
    
    return 0;
}