// http://turtle.sourceforge.net
//
// Copyright Mathieu Champlon 2012
//
// Distributed under 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)

#ifndef CALCULATOR
#define CALCULATOR

#include "view.hpp"

//[ calculator
class calculator
{
    view& v;

public:
    calculator(view& v) : v(v) {}

    void add(int a, int b) { v.display(a + b); } // the result will be sent to the view 'v'
};
//]

#endif // CALCULATOR