libs/functional/overloaded_function/test/functor.cpp
// 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();
}