Boost C++ Libraries

libs/local_function/test/return_setget_seq.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/local_function

#include <boost/local_function.hpp>
#include <boost/function.hpp>
#include <boost/typeof/std/string.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <string>

boost::function<void (const std::string&)> set;
boost::function<const std::string& (void)> get;

void action(void) {
    BOOST_TEST(get() == "abc");
    set("xyz");
    BOOST_TEST(get() == "xyz");
}

int main(void) {
    std::string message = "abc";
    
    void BOOST_LOCAL_FUNCTION( (bind& message) (const std::string& text) ) {
        message = text;
    } BOOST_LOCAL_FUNCTION_NAME(s)
    set = s;

    const std::string& BOOST_LOCAL_FUNCTION( (const bind& message) ) {
        return message;
    } BOOST_LOCAL_FUNCTION_NAME(g)
    get = g;
    
    action();
    return boost::report_errors();
}