1 2 // Copyright (C) 2009-2012 Lorenzo Caminiti 3 // Distributed under the Boost Software License, Version 1.0 4 // (see accompanying file LICENSE_1_0.txt or a copy at 5 // http://www.boost.org/LICENSE_1_0.txt) 6 // Home at http://www.boost.org/libs/functional/overloaded_function 7 8 #include "identity.hpp" 9 #include <boost/functional/overloaded_function.hpp> 10 #include <boost/core/lightweight_test.hpp> 11 main()12int main() { 13 //[identity_calls 14 BOOST_TEST(identity_s("abc") == "abc"); 15 BOOST_TEST(identity_i(123) == 123); 16 BOOST_TEST(identity_d(1.23) == 1.23); 17 //] 18 19 //[identity_functor 20 boost::overloaded_function< 21 const std::string& (const std::string&) 22 , int (int) 23 , double (double) 24 > identity(identity_s, identity_i, identity_d); 25 26 // All calls via single `identity` function. 27 BOOST_TEST(identity("abc") == "abc"); 28 BOOST_TEST(identity(123) == 123); 29 BOOST_TEST(identity(1.23) == 1.23); 30 //] 31 32 return boost::report_errors(); 33 } 34 35