// (C) Copyright Tobias Schwinger

//

// Use modification and distribution are subject to the boost Software License,

// Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt).

//------------------------------------------------------------------------------

// See interface.hpp in this directory for details.

#include <iostream>

#include <typeinfo>

#include "interface.hpp"

BOOST_EXAMPLE_INTERFACE( interface_x,

(( a_func, (void)(int) , const_qualified ))

(( a_func, (void)(long), const_qualified ))

(( another_func, (int) , non_const ))

);

// two classes that implement interface_x

struct a_class

{

void a_func(int v) const

{

std::cout << "a_class::void a_func(int v = " << v << ")" << std::endl;

}

void a_func(long v) const

{

std::cout << "a_class::void a_func(long v = " << v << ")" << std::endl;

}

int another_func()

{

std::cout << "a_class::another_func() = 3" << std::endl;

return 3;

}

};

struct another_class

{

// note: overloaded a_func implemented as a function template

template<typename T>

void a_func(T v) const

{

std::cout <<

"another_class::void a_func(T v = " << v << ")"

" [ T = " << typeid(T).name() << " ]" << std::endl;

}

int another_func()

{

std::cout << "another_class::another_func() = 5" << std::endl;

return 5;

}

};

// both classes above can be assigned to the interface variable and their

// member functions can be called through it

int main()

{

a_class x;

another_class y;

interface_x i(x);

i.a_func(12);

i.a_func(77L);

i.another_func();

i = y;

i.a_func(13);

i.a_func(21L);

i.another_func();

}