#include <vector>
#include <functional>
#include <iostream>
#include <boost/phoenix.hpp>
#include <boost/foreach.hpp>
#include <boost/range/adaptor/filtered.hpp>
#include <boost/range/adaptor/transformed.hpp>
#include <boost/fusion/adapted.hpp>


struct Doctor {
    std::string nombre_;
    std::string apellidos_;

public:
    Doctor(const std::string & nombre, const std::string & apellidos) :
    nombre_(nombre), apellidos_(apellidos) {}
};



BOOST_FUSION_ADAPT_STRUCT(Doctor,
                          (std::string, nombre_)
                          (std::string, apellidos_))

using namespace std;


int main(int argc, char * argv[])
{    
    namespace phx = boost::phoenix;
    namespace view = boost::adaptors; 
    using phx::placeholders::_1;
    
    vector<int> numeros = {2, 4, 37, 5, 8, 20, 34};
    vector<Doctor> doctores = { {"German", "Gallardone"}, {"Pedro", "Ruiz"},
                                {"Hilario", "Pinose"}, {"Manolito", "Gafotas"},
                                {"Tomas",  "Todonte"}
                              };
                              
    auto consulta = numeros | view::filtered(_1 < 10);
    
    BOOST_FOREACH (auto i, consulta)
    {
        cout << i << endl;
    }
    
    cout << "-----------------------------\n"; 
    
    auto consulta2 =
        doctores | view::filtered(phx::at_c<1>(_1) == "Ruiz") | view::transformed(phx::at_c<0>(_1));

    BOOST_FOREACH (auto const& s, consulta2)
    {
        cout << s << endl;
    }    
}