// scoped_enum_emulation_test.cpp ----------------------------------------------------// // Copyright Beman Dawes, 2009 // Distributed under the Boost Software License, Version 1.0. // See http://www.boost.org/LICENSE_1_0.txt // See documentation at http://www.boost.org/libs/utility/scoped_enum_emulation.html // #include // #include #include #include BOOST_SCOPED_ENUM_START(traffic_light) { red=0, yellow, green }; BOOST_SCOPED_ENUM_END BOOST_SCOPED_ENUM_START(algae) { green=0, red, cyan }; BOOST_SCOPED_ENUM_END struct color { BOOST_SCOPED_ENUM_START(value_t) { red, green, blue }; BOOST_SCOPED_ENUM_END BOOST_SCOPED_ENUM(value_t) value; }; void foo( BOOST_SCOPED_ENUM(algae) arg ) { BOOST_ASSERT( arg == algae::cyan ); } int main() { BOOST_SCOPED_ENUM(traffic_light) signal( traffic_light::red ); BOOST_SCOPED_ENUM(algae) sample( algae::red ); BOOST_ASSERT( signal == traffic_light::red ); BOOST_ASSERT( sample == algae::red ); foo( algae::cyan ); color tracker; tracker.value = color::value_t::blue; if (tracker.value == color::value_t::blue) return 0; // quiet warnings return 0; }