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- // Copyright (C) 2009-2012 Lorenzo Caminiti
- // Distributed under the Boost Software License, Version 1.0
- // (see accompanying file LICENSE_1_0.txt or a copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- // Home at http://www.boost.org/libs/functional/overloaded_function
- #include "identity.hpp"
- #include <boost/functional/overloaded_function.hpp>
- #include <boost/core/lightweight_test.hpp>
- int main() {
- //[identity_calls
- BOOST_TEST(identity_s("abc") == "abc");
- BOOST_TEST(identity_i(123) == 123);
- BOOST_TEST(identity_d(1.23) == 1.23);
- //]
- //[identity_functor
- boost::overloaded_function<
- const std::string& (const std::string&)
- , int (int)
- , double (double)
- > identity(identity_s, identity_i, identity_d);
- // All calls via single `identity` function.
- BOOST_TEST(identity("abc") == "abc");
- BOOST_TEST(identity(123) == 123);
- BOOST_TEST(identity(1.23) == 1.23);
- //]
- return boost::report_errors();
- }
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