#include <stdarg.h>
#include <stdlib.h>
#include <iostream>

class Type {};

class Number : public Type {
    protected:
        double val;
    public:
        Number(double value) : val(value) {}
        double value() { return val; }
};

class Lambda : public Type {};
class Closure : public Lambda {};

class Max : public Lambda {
    public:
        Number* operator () (Number* a, Number* b) {
            return (a->value() > b->value()) ? a : b;
        }
};

Type* gen_max_lambda(void)
{
    Max* max_fn = new Max();
    return max_fn;
}

int main(int argc, char** argv)
{
    Number* a = new Number(1);
    Number* b = new Number(5);
    Max* foo = (Max*)gen_max_lambda();
    std::cout << ((Number*)(*foo)(a,b))->value();
    return 0;
}