#include <functional>
#include <string>
#include <iostream>
 
struct Foo
{
    bool comp(const Foo& a)
    {
    	std::cout << "a = " << a.s << std::endl;
    	return a.s == s;
    }
 
    std::string s;
 
};
 
struct Bar
{
    int a;
};
 
 
template <class F, class T>
void execute (F f, T a)
{
    std::cout << "Result: " << f (a) << std::endl;
 
}
 
int main()
{
    Foo* f1 = new Foo;
    f1->s = "Hello";
 
    Foo f2;
    f2.s = "Bla";
 
    Bar b;
    b.a = 100;
 
    execute (std::bind2nd (std::mem_fun(&Foo::comp), b), f1);
 
 
    return 0;
}

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