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- // (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();
- }
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